FHIR © HL7.org  |  Server Home  |  XIG Home  |  Server Source  |  FHIR  

FHIR IG Statistics: StructureDefinition/PathologicalStage

Packagehl7.eu.fhir.idea4rc
TypeStructureDefinition
IdPathologicalStage
FHIR VersionR4
Sourcehttp://hl7.eu/fhir/ig/idea4rc/https://build.fhir.org/ig/hl7-eu/idea4rc/StructureDefinition-PathologicalStage.html
URLhttp://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage
Version0.1.0
Statusdraft
Date2025-07-21T15:34:12+00:00
NamePathologicalStageI4RC
TitlePathological Stage
Realmeu
Authorityhl7
DescriptionPathological Stage Maturity Level: 0 Draft
Typehttp://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage
Kindlogical

Resources that use this resource

No resources found


Resources that this resource uses

StructureDefinition
DiagnosisDiagnosis

Narrative

Note: links and images are rebased to the (stated) source

Generated Narrative: StructureDefinition PathologicalStage

NameFlagsCard.TypeDescription & Constraintsdoco
.. PathologicalStage 0..*BasePathological Stage
... diagnosis O1..*DiagnosisDiagnosis Reference (M)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
... doneBy O1..*stringStaging procedures done by (M)
ObligationsActor
SHALL:handleHead and Neck
... imagingForPrimarySite O1..*BackboneElementImaging for primary site (M)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
.... ct O0..*booleanCT for primary site (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
.... mri O0..*booleanMRI for primary site (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
.... us O0..*booleanUS for primary site (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
.... other O0..*CodeableConceptOther imaging for primary site (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
... imagingForNeck O1..*BackboneElementImaging for neck (M)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
.... ct O0..*booleanCT for neck (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
.... mri O0..*booleanMRI for neck (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
.... us O0..*booleanUS for neck (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
.... other O0..*CodeableConceptOther imaging for neck (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
... imagingForMetastasis O1..*BackboneElementImaging for metastasis (M)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
.... ct O0..*booleanCT for metastasis (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
.... mri O0..*booleanMRI for metastasis (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
.... us O0..*booleanUS for metastasis (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
.... other O0..*CodeableConceptOther imaging for metastasis (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
... pt O1..*CodeableConceptpT (M)
ObligationsActor
SHALL:handleHead and Neck
... pn O1..*CodeableConceptpN (M)
ObligationsActor
SHALL:handleHead and Neck
... pm O1..*CodeableConceptpM (M)
ObligationsActor
SHALL:handleHead and Neck
... extraNodalExtension O1..*CodeableConceptExtra-nodal extension (rEne) (M)
ObligationsActor
SHALL:handleHead and Neck
... sentinelNode O1..*booleanSentinel node (M)
ObligationsActor
SHALL:handleHead and Neck
... pathologicalStaging O1..*CodeableConceptPathological staging (M)
ObligationsActor
SHALL:handleHead and Neck
... localised O1..*booleanLocalised (M)
ObligationsActor
SHALL:handleSarcoma
... numberOfTumorNodules O0..*integerNumber of tumor nodules (R)
ObligationsActor
SHALL:handleSarcoma
... locoRegional O1..*booleanLoco-regional (M)
ObligationsActor
SHALL:handleSarcoma
... isTransitMetastasisWithClinicalConfirmation O1..*booleanIs Transit metastasis with clinical confirmation (M)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
... isMultifocalTumor O1..*booleanIs Multifocal tumor (M)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
... regionalNodalMetastases O1..*booleanRegional nodal metastases (M)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
... sites O0..*BackboneElementsites (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
.... softTissue O0..*booleanSoft tissue (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
.... distantLymphNode O0..*booleandistant lymph node (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
.... lung O0..*booleanlung (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
.... metastasisatbone O0..*booleanmetastasisAtBone (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
.... liver O0..*booleanliver (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
.... pleura O0..*booleanpleura (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
.... peritoneum O0..*booleanperitoneum (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
.... brain O0..*booleanbrain (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
.... otherViscera O0..*booleanother viscera (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
.... unknown O0..*booleanunknown (R)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma

doco Documentation for this format

Source

{
  "resourceType": "StructureDefinition",
  "id": "PathologicalStage",
  "text": {
    "status": "extensions",
    "div": "<!-- snip (see above) -->"
  },
  "url": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage",
  "version": "0.1.0",
  "name": "PathologicalStageI4RC",
  "title": "Pathological Stage",
  "status": "draft",
  "date": "2025-07-21T15:34:12+00:00",
  "publisher": "IDEA4RC Project",
  "contact": [
    {
      "name": "IDEA4RC Project",
      "telecom": [
        {
          "system": "url",
          "value": "https://www.idea4rc.eu/"
        }
      ]
    },
    {
      "name": "IDEA4RC Project",
      "telecom": [
        {
          "system": "url",
          "value": "https://www.idea4rc.eu/"
        }
      ]
    }
  ],
  "description": "Pathological Stage\nMaturity Level: 0 Draft",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code": "150",
          "display": "Europe"
        }
      ]
    }
  ],
  "fhirVersion": "4.0.1",
  "kind": "logical",
  "abstract": false,
  "type": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Base",
  "derivation": "specialization",
  "snapshot": {
    "extension": [
      {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
        "valueString": "4.0.1"
      }
    ],
    "element": [
      {
        "id": "PathologicalStage",
        "path": "PathologicalStage",
        "short": "Pathological Stage",
        "definition": "Pathological Stage\nMaturity Level: 0 Draft",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Base",
          "min": 0,
          "max": "*"
        },
        "isModifier": false
      },
      {
        "id": "PathologicalStage.diagnosis",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.diagnosis",
        "short": "Diagnosis Reference (M)",
        "definition": "Diagnosis element containing the data regarding the patient's cancer",
        "min": 1,
        "max": "*",
        "base": {
          "path": "PathologicalStage.diagnosis",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/Diagnosis"
          }
        ]
      },
      {
        "id": "PathologicalStage.doneBy",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.doneBy",
        "short": "Staging procedures done by (M)",
        "definition": "Describes the ID of the institution where staging procedure for primary tumour was performed",
        "min": 1,
        "max": "*",
        "base": {
          "path": "PathologicalStage.doneBy",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForPrimarySite",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForPrimarySite",
        "short": "Imaging for primary site (M)",
        "definition": "Defines whether any imaging study for primary site was performed or not",
        "min": 1,
        "max": "*",
        "base": {
          "path": "PathologicalStage.imagingForPrimarySite",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "BackboneElement"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForPrimarySite.id",
        "path": "PathologicalStage.imagingForPrimarySite.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForPrimarySite.extension",
        "path": "PathologicalStage.imagingForPrimarySite.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForPrimarySite.modifierExtension",
        "path": "PathologicalStage.imagingForPrimarySite.modifierExtension",
        "short": "Extensions that cannot be ignored even if unrecognized",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension).",
        "alias": [
          "extensions",
          "user content",
          "modifiers"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "BackboneElement.modifierExtension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": true,
        "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
        "isSummary": true,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForPrimarySite.ct",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForPrimarySite.ct",
        "short": "CT for primary site (R)",
        "definition": "Defines whether any CT scan for primary site was performed or not",
        "comment": "Computed tomography - 4300757",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.imagingForPrimarySite.ct",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForPrimarySite.mri",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForPrimarySite.mri",
        "short": "MRI for primary site (R)",
        "definition": "Defines whether any MRI for primary site was performed or not",
        "comment": "Magnetic resonance imaging - 4013636",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.imagingForPrimarySite.mri",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForPrimarySite.us",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForPrimarySite.us",
        "short": "US for primary site (R)",
        "definition": "Defines whether any US for primary site was performed or not",
        "comment": "Ultrasonography - 4037672",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.imagingForPrimarySite.us",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForPrimarySite.other",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForPrimarySite.other",
        "short": "Other imaging for primary site (R)",
        "definition": "Provides any other value for imaging options for primary site",
        "comment": "Code from Procedure domain\n\n Fluorodeoxyglucose positron emission tomography - 2000100025\nPositron emission tomography using other tracers - 2000100026",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.imagingForPrimarySite.other",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForNeck",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForNeck",
        "short": "Imaging for neck (M)",
        "definition": "Whether any imaging study for the neck was performed or not",
        "min": 1,
        "max": "*",
        "base": {
          "path": "PathologicalStage.imagingForNeck",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "BackboneElement"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForNeck.id",
        "path": "PathologicalStage.imagingForNeck.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForNeck.extension",
        "path": "PathologicalStage.imagingForNeck.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForNeck.modifierExtension",
        "path": "PathologicalStage.imagingForNeck.modifierExtension",
        "short": "Extensions that cannot be ignored even if unrecognized",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension).",
        "alias": [
          "extensions",
          "user content",
          "modifiers"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "BackboneElement.modifierExtension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": true,
        "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
        "isSummary": true,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForNeck.ct",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForNeck.ct",
        "short": "CT for neck (R)",
        "definition": "Defines whether any CT scan for neck was performed or not",
        "comment": "Computed tomography of neck - 3307719",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.imagingForNeck.ct",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForNeck.mri",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForNeck.mri",
        "short": "MRI for neck (R)",
        "definition": "Defines whether any MRI for neck was performed or not",
        "comment": "Magnetic resonance imaging of neck - 4218948",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.imagingForNeck.mri",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForNeck.us",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForNeck.us",
        "short": "US for neck (R)",
        "definition": "Defines whether any US for neck was performed or not",
        "comment": "Ultrasonography of Neck - 2793113",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.imagingForNeck.us",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForNeck.other",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForNeck.other",
        "short": "Other imaging for neck (R)",
        "definition": "Provides any other value for imaging options for neck",
        "comment": "Code from Procedure domain\n\n Fluorodeoxyglucose positron emission tomography - 2000100025\nPositron emission tomography using other tracers - 2000100026",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.imagingForNeck.other",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForMetastasis",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForMetastasis",
        "short": "Imaging for metastasis (M)",
        "definition": "Wherther any imaging study for metastasis was performed or not",
        "min": 1,
        "max": "*",
        "base": {
          "path": "PathologicalStage.imagingForMetastasis",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "BackboneElement"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForMetastasis.id",
        "path": "PathologicalStage.imagingForMetastasis.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForMetastasis.extension",
        "path": "PathologicalStage.imagingForMetastasis.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForMetastasis.modifierExtension",
        "path": "PathologicalStage.imagingForMetastasis.modifierExtension",
        "short": "Extensions that cannot be ignored even if unrecognized",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension).",
        "alias": [
          "extensions",
          "user content",
          "modifiers"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "BackboneElement.modifierExtension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": true,
        "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
        "isSummary": true,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForMetastasis.ct",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForMetastasis.ct",
        "short": "CT for metastasis (R)",
        "definition": "Defines whether any CT scan for metastasis was performed or not",
        "comment": "CT of chest - 4058335\nCT of abdomen - 4061009\nCT of pelvis - 4058336\nCT of brain - 4145739",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.imagingForMetastasis.ct",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForMetastasis.mri",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForMetastasis.mri",
        "short": "MRI for metastasis (R)",
        "definition": "Defines whether any MRI for metastasis was performed or not",
        "comment": "MRI of abdomen - 4083230\nMRI of pelvis - 4097527\nMRI of brain - 37311324",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.imagingForMetastasis.mri",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForMetastasis.us",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForMetastasis.us",
        "short": "US for metastasis (R)",
        "definition": "Defines whether any US for metastasis was performed or not",
        "comment": "Ultrasonography of abdomen - 4261497",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.imagingForMetastasis.us",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForMetastasis.other",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForMetastasis.other",
        "short": "Other imaging for metastasis (R)",
        "definition": "Provides any other value for imaging options for metastasis",
        "comment": "Code from Procedure domain\n\nStandard chest X-ray - 4056836\nRadioisotope scan of bone - 4217238\nPositron emission tomography - 4305790\n Fluorodeoxyglucose positron emission tomography - 2000100025\nPositron emission tomography using other tracers - 2000100026",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.imagingForMetastasis.other",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "PathologicalStage.pt",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.pt",
        "short": "pT (M)",
        "definition": "Specifies the pathological T",
        "comment": "AJCC/UICC 6th pathological TX Category - 1634270\nAJCC/UICC 7th pathological TX Category - 1635402\nAJCC/UICC 8th pathological TX Category - 1634986\n\nAJCC/UICC 6th Tis Category - 1635660\nAJCC/UICC 7th Tis Category - 1633798\nAJCC/UICC 8th Tis Category - 1634720\n\nAJCC/UICC 6th pathological T0 Category - 1633279\nAJCC/UICC 7th pathological T0 Category - 1634675\nAJCC/UICC 8th pathological T0 Category - 1634635\n\nAJCC/UICC 6th pathological T1 Category - 1633445\nAJCC/UICC 7th pathological T1 Category - 1635422\nAJCC/UICC 8th pathological T1 Category - 1635070\n\nAJCC/UICC 6th pathological T2 Category - 1634792\nAJCC/UICC 7th pathological T2 Category - 1634491\nAJCC/UICC 8th pathological T2 Category - 1633307\n\nAJCC/UICC 6th pathological T3 Category - 1635670\nAJCC/UICC 7th pathological T3 Category - 1634658\nAJCC/UICC 8th pathological T3 Category - 1634386\n\nAJCC/UICC 6th pathological T4 Category - 1635311\nAJCC/UICC 7th pathological T4 Category - 1635341\nAJCC/UICC 8th pathological T4 Category - 1635396\n\nAJCC/UICC 6th pathological T4a Category - 1634101\nAJCC/UICC 7th pathological T4a Category - 1633723\nAJCC/UICC 8th pathological T4a Category - 1634894\n\nAJCC/UICC 6th pathological T4b Category - 1633900\nAJCC/UICC 7th pathological T4b Category - 1633699\nAJCC/UICC 8th pathological T4b Category - 1633658",
        "min": 1,
        "max": "*",
        "base": {
          "path": "PathologicalStage.pt",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "PathologicalStage.pn",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.pn",
        "short": "pN (M)",
        "definition": "Specifies the pathological N",
        "comment": "AJCC/UICC 6th pathological NX Category - 1635823\nAJCC/UICC 7th pathological NX Category - 1634505\nAJCC/UICC 8th pathological NX Category - 1634117\n\nAJCC/UICC 6th pathological N0 Category - 1634212\nAJCC/UICC 7th pathological N0 Category - 1633726\nAJCC/UICC 8th pathological N0 Category - 1635560\n\nAJCC/UICC 6th pathological N1 Category - 1634562\nAJCC/UICC 7th pathological N1 Category - 1634245\nAJCC/UICC 8th pathological N1 Category - 1633659\n\nAJCC/UICC 6th pathological N2 Category - 1634541\nAJCC/UICC 7th pathological N2 Category - 1633569\nAJCC/UICC 8th pathological N2 Category - 1633336\n\nAJCC/UICC 6th pathological N2a Category - 1633273\nAJCC/UICC 7th pathological N2a Category - 1635717\nAJCC/UICC 8th pathological N2a Category - 1635871\n\nAJCC/UICC 6th pathological N2b Category - 1634773\nAJCC/UICC 7th pathological N2b Category - 1633607\nAJCC/UICC 8th pathological N2b Category - 1634645\n\nAJCC/UICC 6th pathological N2c Category - 1635113\nAJCC/UICC 7th pathological N2c Category - 1634601\nAJCC/UICC 8th pathological N2c Category - 1634383\n\nAJCC/UICC 6th pathological N3 Category - 1634504\nAJCC/UICC 7th pathological N3 Category - 1633668\nAJCC/UICC 8th pathological N3 Category - 1635307\n\nAJCC/UICC 6th pathological N3a Category - 1634271\nAJCC/UICC 7th pathological N3a Category - 1634397\nAJCC/UICC 8th pathological N3a Category - 1635545\n\nAJCC/UICC 6th pathological N3b Category - 1633500\nAJCC/UICC 7th pathological N3b Category - 1634847\nAJCC/UICC 8th pathological N3b Category - 1634770",
        "min": 1,
        "max": "*",
        "base": {
          "path": "PathologicalStage.pn",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "PathologicalStage.pm",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.pm",
        "short": "pM (M)",
        "definition": "Specifies the pathological M",
        "comment": "AJCC/UICC 6th pathological M0 Category - 1635345\nAJCC/UICC 7th pathological M0 Category - 1635536\nAJCC/UICC 8th pathological M0 Category - 1634606\n\nAJCC/UICC 6th pathological M1 Category - 1633469\nAJCC/UICC 7th pathological M1 Category - 1635336\nAJCC/UICC 8th pathological M1 Category - 1634891",
        "min": 1,
        "max": "*",
        "base": {
          "path": "PathologicalStage.pm",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "PathologicalStage.extraNodalExtension",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.extraNodalExtension",
        "short": "Extra-nodal extension (rEne) (M)",
        "definition": "Describes the presence or absence of radiological signs of extracapsular extension, as defined in the AJCC 8th Ed \ncheck CODEs",
        "comment": "ENE- - 36769946\nENE+ - 36770618",
        "min": 1,
        "max": "*",
        "base": {
          "path": "PathologicalStage.extraNodalExtension",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "PathologicalStage.sentinelNode",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sentinelNode",
        "short": "Sentinel node (M)",
        "definition": "Describes whether a sentinel node procedure was performed or not. Sentinel lymph node biopsy is considered a diagnostic procedure, therefore, per se, the neck is not considered to have been treated if it does not lead to a neck dissection.",
        "comment": "Sentinel lymph node biopsy - 4263386",
        "min": 1,
        "max": "*",
        "base": {
          "path": "PathologicalStage.sentinelNode",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.pathologicalStaging",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.pathologicalStaging",
        "short": "Pathological staging (M)",
        "definition": "Specifies the clinical TNM",
        "comment": "AJCC/UICC 6th pathological Stage 0 - 1634741\nAJCC/UICC 7th pathological Stage 0 - 1635511\nAJCC/UICC 8th pathological Stage 0 - 1634787\n\nAJCC/UICC 6th pathological Stage 1 - 1635797\nAJCC/UICC 7th pathological Stage 1 - 1635800\nAJCC/UICC 8th pathological Stage 1 - 1634799\n\nAJCC/UICC 6th pathological Stage 2 - 1633751\nAJCC/UICC 7th pathological Stage 2 - 1634619\nAJCC/UICC 8th pathological Stage 2 - 1635386\n\n\nAJCC/UICC 6th pathological Stage 3 - 1633499\nAJCC/UICC 7th pathological Stage 3 - 1634947\nAJCC/UICC 8th pathological Stage 3 - 1634705\n\nAJCC/UICC 6th pathological Stage 4 - 1634208\nAJCC/UICC 7th pathological Stage 4 - 1635230\nAJCC/UICC 8th pathological Stage 4 - 1633697\n\nAJCC/UICC 6th pathological Stage 4A - 1634731\nAJCC/UICC 7th pathological Stage 4A - 1635745\nAJCC/UICC 8th pathological Stage 4A - 1634005\n\nAJCC/UICC 6th pathological Stage 4B - 1635370\nAJCC/UICC 7th pathological Stage 4B - 1634472\nAJCC/UICC 8th pathological Stage 4B - 1634487\n\nAJCC/UICC 6th pathological Stage 4C - 1635893\nAJCC/UICC 7th pathological Stage 4C - 1634492\nAJCC/UICC 8th pathological Stage 4C - 1634551",
        "min": 1,
        "max": "*",
        "base": {
          "path": "PathologicalStage.pathologicalStaging",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "PathologicalStage.localised",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.localised",
        "short": "Localised (M)",
        "definition": "Describes if there disease is local \nLocalised and Number of tumor modules are variables that work together",
        "comment": "Confined disease - 32942",
        "min": 1,
        "max": "*",
        "base": {
          "path": "PathologicalStage.localised",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.numberOfTumorNodules",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.numberOfTumorNodules",
        "short": "Number of tumor nodules (R)",
        "definition": "Indicates the number of tumor nodules in the case the disease is localised \nLocalised and Number of tumor modules are variables that work together",
        "comment": "Number of tumor nodules - 4228659",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.numberOfTumorNodules",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "integer"
          }
        ]
      },
      {
        "id": "PathologicalStage.locoRegional",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.locoRegional",
        "short": "Loco-regional (M)",
        "definition": "Indicates if the disease is in a loco-regional extent",
        "comment": "\nInvasive Disease - 32943",
        "min": 1,
        "max": "*",
        "base": {
          "path": "PathologicalStage.locoRegional",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.isTransitMetastasisWithClinicalConfirmation",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.isTransitMetastasisWithClinicalConfirmation",
        "short": "Is Transit metastasis with clinical confirmation (M)",
        "definition": "Indicates spread of cancer cells through lymphatic vessels, where they lodge and grow in tissues located between the primary tumor and the nearest regional lymph nodes.",
        "comment": "Transit Metastasis with Clinical Confirmation - 36769249",
        "min": 1,
        "max": "*",
        "base": {
          "path": "PathologicalStage.isTransitMetastasisWithClinicalConfirmation",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.isMultifocalTumor",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.isMultifocalTumor",
        "short": "Is Multifocal tumor (M)",
        "definition": "Presence of multiple distinct tumor foci (or nodules) within the same organ or tissue, originating from the same primary tumor type. These foci may arise through independent tumorigenesis (multiple primary lesions) or local spread of the same cancer.",
        "comment": "Multifocal Tumor - 36769933",
        "min": 1,
        "max": "*",
        "base": {
          "path": "PathologicalStage.isMultifocalTumor",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.regionalNodalMetastases",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.regionalNodalMetastases",
        "short": "Regional nodal metastases (M)",
        "definition": "Describes if regional nodal mestastases happened",
        "comment": "Regional spread to lymph node - 36769269",
        "min": 1,
        "max": "*",
        "base": {
          "path": "PathologicalStage.regionalNodalMetastases",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sites",
        "short": "sites (R)",
        "definition": "Describes if site of metastasic disease  is soft tissue",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.sites",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "BackboneElement"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.id",
        "path": "PathologicalStage.sites.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.extension",
        "path": "PathologicalStage.sites.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.modifierExtension",
        "path": "PathologicalStage.sites.modifierExtension",
        "short": "Extensions that cannot be ignored even if unrecognized",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "requirements": "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension).",
        "alias": [
          "extensions",
          "user content",
          "modifiers"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "BackboneElement.modifierExtension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": true,
        "isModifierReason": "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
        "isSummary": true,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.softTissue",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sites.softTissue",
        "short": "Soft tissue (R)",
        "definition": "Describes if site of metastasic disease  is soft tissue",
        "comment": "Metastasis to soft tissues - 35225724",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.sites.softTissue",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.distantLymphNode",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sites.distantLymphNode",
        "short": "distant lymph node (R)",
        "definition": "Describes if site of metastasic disease  is dystan lymph node",
        "comment": "Distant spread to lymph node - 36769243",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.sites.distantLymphNode",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.lung",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sites.lung",
        "short": "lung (R)",
        "definition": "Describes if site of metastasic disease  is lung",
        "comment": "Metastasis to lung - 36770283",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.sites.lung",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.metastasisatbone",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sites.metastasisatbone",
        "short": "metastasisAtBone (R)",
        "definition": "Describes if site of metastasic disease  is bone",
        "comment": "Metastasis to bone - 36769301",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.sites.metastasisatbone",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.liver",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sites.liver",
        "short": "liver (R)",
        "definition": "Describes if site of metastasic disease  is liver",
        "comment": "Metastasis to liver - 36770544",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.sites.liver",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.pleura",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sites.pleura",
        "short": "pleura (R)",
        "definition": "Describes if site of metastasic disease  is pleura",
        "comment": "Metastasis to pleura - 35226258",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.sites.pleura",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.peritoneum",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sites.peritoneum",
        "short": "peritoneum (R)",
        "definition": "Describes if site of metastasic disease  is peritoneum",
        "comment": "Metastasis to peritoneum - 35226253",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.sites.peritoneum",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.brain",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sites.brain",
        "short": "brain (R)",
        "definition": "Describes if site of metastasic disease  is brain",
        "comment": "Metastasis to brain - 36768862",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.sites.brain",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.otherViscera",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sites.otherViscera",
        "short": "other viscera (R)",
        "definition": "Describes if site of metastasic disease  is other viscera \nUse the generic metastasis code or a metastasis subsumed in it, 36769180",
        "comment": "Metastasis - 36769180",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.sites.otherViscera",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.unknown",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              },
              {
                "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-source",
                "valueUri": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/PathologicalStage|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sites.unknown",
        "short": "unknown (R)",
        "definition": "Describes if site of metastasic disease  is unknown",
        "comment": "Unknown - 4129922",
        "min": 0,
        "max": "*",
        "base": {
          "path": "PathologicalStage.sites.unknown",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      }
    ]
  },
  "differential": {
    "element": [
      {
        "id": "PathologicalStage",
        "path": "PathologicalStage",
        "short": "Pathological Stage",
        "definition": "Pathological Stage\nMaturity Level: 0 Draft"
      },
      {
        "id": "PathologicalStage.diagnosis",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.diagnosis",
        "short": "Diagnosis Reference (M)",
        "definition": "Diagnosis element containing the data regarding the patient's cancer ",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/Diagnosis"
          }
        ]
      },
      {
        "id": "PathologicalStage.doneBy",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.doneBy",
        "short": "Staging procedures done by (M)",
        "definition": "Describes the ID of the institution where staging procedure for primary tumour was performed ",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForPrimarySite",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForPrimarySite",
        "short": "Imaging for primary site (M)",
        "definition": "Defines whether any imaging study for primary site was performed or not ",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "BackboneElement"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForPrimarySite.ct",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForPrimarySite.ct",
        "short": "CT for primary site (R)",
        "definition": "Defines whether any CT scan for primary site was performed or not ",
        "comment": "Computed tomography - 4300757",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForPrimarySite.mri",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForPrimarySite.mri",
        "short": "MRI for primary site (R)",
        "definition": "Defines whether any MRI for primary site was performed or not ",
        "comment": "Magnetic resonance imaging - 4013636",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForPrimarySite.us",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForPrimarySite.us",
        "short": "US for primary site (R)",
        "definition": "Defines whether any US for primary site was performed or not ",
        "comment": "Ultrasonography - 4037672",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForPrimarySite.other",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForPrimarySite.other",
        "short": "Other imaging for primary site (R)",
        "definition": "Provides any other value for imaging options for primary site ",
        "comment": "Code from Procedure domain\n\n Fluorodeoxyglucose positron emission tomography - 2000100025\nPositron emission tomography using other tracers - 2000100026",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForNeck",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForNeck",
        "short": "Imaging for neck (M)",
        "definition": "Whether any imaging study for the neck was performed or not ",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "BackboneElement"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForNeck.ct",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForNeck.ct",
        "short": "CT for neck (R)",
        "definition": "Defines whether any CT scan for neck was performed or not ",
        "comment": "Computed tomography of neck - 3307719",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForNeck.mri",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForNeck.mri",
        "short": "MRI for neck (R)",
        "definition": "Defines whether any MRI for neck was performed or not ",
        "comment": "Magnetic resonance imaging of neck - 4218948",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForNeck.us",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForNeck.us",
        "short": "US for neck (R)",
        "definition": "Defines whether any US for neck was performed or not ",
        "comment": "Ultrasonography of Neck - 2793113",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForNeck.other",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForNeck.other",
        "short": "Other imaging for neck (R)",
        "definition": "Provides any other value for imaging options for neck ",
        "comment": "Code from Procedure domain\n\n Fluorodeoxyglucose positron emission tomography - 2000100025\nPositron emission tomography using other tracers - 2000100026",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForMetastasis",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForMetastasis",
        "short": "Imaging for metastasis (M)",
        "definition": "Wherther any imaging study for metastasis was performed or not ",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "BackboneElement"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForMetastasis.ct",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForMetastasis.ct",
        "short": "CT for metastasis (R)",
        "definition": "Defines whether any CT scan for metastasis was performed or not ",
        "comment": "CT of chest - 4058335\nCT of abdomen - 4061009\nCT of pelvis - 4058336\nCT of brain - 4145739",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForMetastasis.mri",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForMetastasis.mri",
        "short": "MRI for metastasis (R)",
        "definition": "Defines whether any MRI for metastasis was performed or not ",
        "comment": "MRI of abdomen - 4083230\nMRI of pelvis - 4097527\nMRI of brain - 37311324",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForMetastasis.us",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForMetastasis.us",
        "short": "US for metastasis (R)",
        "definition": "Defines whether any US for metastasis was performed or not ",
        "comment": "Ultrasonography of abdomen - 4261497",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.imagingForMetastasis.other",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.imagingForMetastasis.other",
        "short": "Other imaging for metastasis (R)",
        "definition": "Provides any other value for imaging options for metastasis ",
        "comment": "Code from Procedure domain\n\nStandard chest X-ray - 4056836\nRadioisotope scan of bone - 4217238\nPositron emission tomography - 4305790\n Fluorodeoxyglucose positron emission tomography - 2000100025\nPositron emission tomography using other tracers - 2000100026",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "PathologicalStage.pt",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.pt",
        "short": "pT (M)",
        "definition": "Specifies the pathological T ",
        "comment": "AJCC/UICC 6th pathological TX Category - 1634270\nAJCC/UICC 7th pathological TX Category - 1635402\nAJCC/UICC 8th pathological TX Category - 1634986\n\nAJCC/UICC 6th Tis Category - 1635660\nAJCC/UICC 7th Tis Category - 1633798\nAJCC/UICC 8th Tis Category - 1634720\n\nAJCC/UICC 6th pathological T0 Category - 1633279\nAJCC/UICC 7th pathological T0 Category - 1634675\nAJCC/UICC 8th pathological T0 Category - 1634635\n\nAJCC/UICC 6th pathological T1 Category - 1633445\nAJCC/UICC 7th pathological T1 Category - 1635422\nAJCC/UICC 8th pathological T1 Category - 1635070\n\nAJCC/UICC 6th pathological T2 Category - 1634792\nAJCC/UICC 7th pathological T2 Category - 1634491\nAJCC/UICC 8th pathological T2 Category - 1633307\n\nAJCC/UICC 6th pathological T3 Category - 1635670\nAJCC/UICC 7th pathological T3 Category - 1634658\nAJCC/UICC 8th pathological T3 Category - 1634386\n\nAJCC/UICC 6th pathological T4 Category - 1635311\nAJCC/UICC 7th pathological T4 Category - 1635341\nAJCC/UICC 8th pathological T4 Category - 1635396\n\nAJCC/UICC 6th pathological T4a Category - 1634101\nAJCC/UICC 7th pathological T4a Category - 1633723\nAJCC/UICC 8th pathological T4a Category - 1634894\n\nAJCC/UICC 6th pathological T4b Category - 1633900\nAJCC/UICC 7th pathological T4b Category - 1633699\nAJCC/UICC 8th pathological T4b Category - 1633658",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "PathologicalStage.pn",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.pn",
        "short": "pN (M)",
        "definition": "Specifies the pathological N ",
        "comment": "AJCC/UICC 6th pathological NX Category - 1635823\nAJCC/UICC 7th pathological NX Category - 1634505\nAJCC/UICC 8th pathological NX Category - 1634117\n\nAJCC/UICC 6th pathological N0 Category - 1634212\nAJCC/UICC 7th pathological N0 Category - 1633726\nAJCC/UICC 8th pathological N0 Category - 1635560\n\nAJCC/UICC 6th pathological N1 Category - 1634562\nAJCC/UICC 7th pathological N1 Category - 1634245\nAJCC/UICC 8th pathological N1 Category - 1633659\n\nAJCC/UICC 6th pathological N2 Category - 1634541\nAJCC/UICC 7th pathological N2 Category - 1633569\nAJCC/UICC 8th pathological N2 Category - 1633336\n\nAJCC/UICC 6th pathological N2a Category - 1633273\nAJCC/UICC 7th pathological N2a Category - 1635717\nAJCC/UICC 8th pathological N2a Category - 1635871\n\nAJCC/UICC 6th pathological N2b Category - 1634773\nAJCC/UICC 7th pathological N2b Category - 1633607\nAJCC/UICC 8th pathological N2b Category - 1634645\n\nAJCC/UICC 6th pathological N2c Category - 1635113\nAJCC/UICC 7th pathological N2c Category - 1634601\nAJCC/UICC 8th pathological N2c Category - 1634383\n\nAJCC/UICC 6th pathological N3 Category - 1634504\nAJCC/UICC 7th pathological N3 Category - 1633668\nAJCC/UICC 8th pathological N3 Category - 1635307\n\nAJCC/UICC 6th pathological N3a Category - 1634271\nAJCC/UICC 7th pathological N3a Category - 1634397\nAJCC/UICC 8th pathological N3a Category - 1635545\n\nAJCC/UICC 6th pathological N3b Category - 1633500\nAJCC/UICC 7th pathological N3b Category - 1634847\nAJCC/UICC 8th pathological N3b Category - 1634770",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "PathologicalStage.pm",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.pm",
        "short": "pM (M)",
        "definition": "Specifies the pathological M ",
        "comment": "AJCC/UICC 6th pathological M0 Category - 1635345\nAJCC/UICC 7th pathological M0 Category - 1635536\nAJCC/UICC 8th pathological M0 Category - 1634606\n\nAJCC/UICC 6th pathological M1 Category - 1633469\nAJCC/UICC 7th pathological M1 Category - 1635336\nAJCC/UICC 8th pathological M1 Category - 1634891",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "PathologicalStage.extraNodalExtension",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.extraNodalExtension",
        "short": "Extra-nodal extension (rEne) (M)",
        "definition": "Describes the presence or absence of radiological signs of extracapsular extension, as defined in the AJCC 8th Ed \ncheck CODEs",
        "comment": "ENE- - 36769946\nENE+ - 36770618",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "PathologicalStage.sentinelNode",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sentinelNode",
        "short": "Sentinel node (M)",
        "definition": "Describes whether a sentinel node procedure was performed or not. Sentinel lymph node biopsy is considered a diagnostic procedure, therefore, per se, the neck is not considered to have been treated if it does not lead to a neck dissection. ",
        "comment": "Sentinel lymph node biopsy - 4263386",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.pathologicalStaging",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.pathologicalStaging",
        "short": "Pathological staging (M)",
        "definition": "Specifies the clinical TNM ",
        "comment": "AJCC/UICC 6th pathological Stage 0 - 1634741\nAJCC/UICC 7th pathological Stage 0 - 1635511\nAJCC/UICC 8th pathological Stage 0 - 1634787\n\nAJCC/UICC 6th pathological Stage 1 - 1635797\nAJCC/UICC 7th pathological Stage 1 - 1635800\nAJCC/UICC 8th pathological Stage 1 - 1634799\n\nAJCC/UICC 6th pathological Stage 2 - 1633751\nAJCC/UICC 7th pathological Stage 2 - 1634619\nAJCC/UICC 8th pathological Stage 2 - 1635386\n\n\nAJCC/UICC 6th pathological Stage 3 - 1633499\nAJCC/UICC 7th pathological Stage 3 - 1634947\nAJCC/UICC 8th pathological Stage 3 - 1634705\n\nAJCC/UICC 6th pathological Stage 4 - 1634208\nAJCC/UICC 7th pathological Stage 4 - 1635230\nAJCC/UICC 8th pathological Stage 4 - 1633697\n\nAJCC/UICC 6th pathological Stage 4A - 1634731\nAJCC/UICC 7th pathological Stage 4A - 1635745\nAJCC/UICC 8th pathological Stage 4A - 1634005\n\nAJCC/UICC 6th pathological Stage 4B - 1635370\nAJCC/UICC 7th pathological Stage 4B - 1634472\nAJCC/UICC 8th pathological Stage 4B - 1634487\n\nAJCC/UICC 6th pathological Stage 4C - 1635893\nAJCC/UICC 7th pathological Stage 4C - 1634492\nAJCC/UICC 8th pathological Stage 4C - 1634551",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "PathologicalStage.localised",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.localised",
        "short": "Localised (M)",
        "definition": "Describes if there disease is local \nLocalised and Number of tumor modules are variables that work together",
        "comment": "Confined disease - 32942",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.numberOfTumorNodules",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.numberOfTumorNodules",
        "short": "Number of tumor nodules (R)",
        "definition": "Indicates the number of tumor nodules in the case the disease is localised \nLocalised and Number of tumor modules are variables that work together",
        "comment": "Number of tumor nodules - 4228659",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "integer"
          }
        ]
      },
      {
        "id": "PathologicalStage.locoRegional",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.locoRegional",
        "short": "Loco-regional (M)",
        "definition": "Indicates if the disease is in a loco-regional extent ",
        "comment": "\nInvasive Disease - 32943\n\n",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.isTransitMetastasisWithClinicalConfirmation",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.isTransitMetastasisWithClinicalConfirmation",
        "short": "Is Transit metastasis with clinical confirmation (M)",
        "definition": "Indicates spread of cancer cells through lymphatic vessels, where they lodge and grow in tissues located between the primary tumor and the nearest regional lymph nodes. ",
        "comment": "Transit Metastasis with Clinical Confirmation - 36769249\n",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.isMultifocalTumor",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.isMultifocalTumor",
        "short": "Is Multifocal tumor (M)",
        "definition": "Presence of multiple distinct tumor foci (or nodules) within the same organ or tissue, originating from the same primary tumor type. These foci may arise through independent tumorigenesis (multiple primary lesions) or local spread of the same cancer. ",
        "comment": "Multifocal Tumor - 36769933\n",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.regionalNodalMetastases",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.regionalNodalMetastases",
        "short": "Regional nodal metastases (M)",
        "definition": "Describes if regional nodal mestastases happened ",
        "comment": "Regional spread to lymph node - 36769269",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sites",
        "short": "sites (R)",
        "definition": "Describes if site of metastasic disease  is soft tissue",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "BackboneElement"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.softTissue",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sites.softTissue",
        "short": "Soft tissue (R)",
        "definition": "Describes if site of metastasic disease  is soft tissue ",
        "comment": "Metastasis to soft tissues - 35225724",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.distantLymphNode",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sites.distantLymphNode",
        "short": "distant lymph node (R)",
        "definition": "Describes if site of metastasic disease  is dystan lymph node ",
        "comment": "Distant spread to lymph node - 36769243",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.lung",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sites.lung",
        "short": "lung (R)",
        "definition": "Describes if site of metastasic disease  is lung ",
        "comment": "Metastasis to lung - 36770283",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.metastasisatbone",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sites.metastasisatbone",
        "short": "metastasisAtBone (R)",
        "definition": "Describes if site of metastasic disease  is bone ",
        "comment": "Metastasis to bone - 36769301",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.liver",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sites.liver",
        "short": "liver (R)",
        "definition": "Describes if site of metastasic disease  is liver ",
        "comment": "Metastasis to liver - 36770544",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.pleura",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sites.pleura",
        "short": "pleura (R)",
        "definition": "Describes if site of metastasic disease  is pleura ",
        "comment": "Metastasis to pleura - 35226258",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.peritoneum",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sites.peritoneum",
        "short": "peritoneum (R)",
        "definition": "Describes if site of metastasic disease  is peritoneum ",
        "comment": "Metastasis to peritoneum - 35226253",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.brain",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sites.brain",
        "short": "brain (R)",
        "definition": "Describes if site of metastasic disease  is brain ",
        "comment": "Metastasis to brain - 36768862",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.otherViscera",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sites.otherViscera",
        "short": "other viscera (R)",
        "definition": "Describes if site of metastasic disease  is other viscera \nUse the generic metastasis code or a metastasis subsumed in it, 36769180",
        "comment": "Metastasis - 36769180",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "PathologicalStage.sites.unknown",
        "extension": [
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          },
          {
            "extension": [
              {
                "url": "code",
                "valueCode": "SHALL:handle"
              },
              {
                "url": "actor",
                "valueCanonical": "http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "PathologicalStage.sites.unknown",
        "short": "unknown (R)",
        "definition": "Describes if site of metastasic disease  is unknown ",
        "comment": "Unknown - 4129922",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      }
    ]
  }
}