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FHIR IG Statistics: StructureDefinition/Surgery

Packagehl7.eu.fhir.idea4rc
TypeStructureDefinition
IdSurgery
FHIR VersionR4
Sourcehttp://hl7.eu/fhir/ig/idea4rc/https://build.fhir.org/ig/hl7-eu/idea4rc/StructureDefinition-Surgery.html
URLhttp://hl7.eu/fhir/ig/idea4rc/StructureDefinition/Surgery
Version0.1.0
Statusdraft
Date2025-07-21T15:34:12+00:00
NameSurgeryI4RC
TitleSurgery
Realmeu
Authorityhl7
DescriptionSurgery Maturity Level: 0 Draft
Typehttp://hl7.eu/fhir/ig/idea4rc/StructureDefinition/Surgery
Kindlogical

Resources that use this resource

ConceptMap
surgery2FHIRSurgery Model to this guide Map
StructureDefinition
AdverseEventAdverse Event

Resources that this resource uses

StructureDefinition
DiagnosisDiagnosis
EpisodeEventEpisode Event

Narrative

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

Generated Narrative: StructureDefinition Surgery

NameFlagsCard.TypeDescription & Constraintsdoco
.. Surgery 0..*BaseSurgery
... diagnosisReference O1..*DiagnosisDiagnosis reference (M)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
... episodeEvent O1..*EpisodeEventEpisode Event reference (M)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
... surgeryType O1..*CodeableConceptSurgery type (M)
ObligationsActor
SHALL:handleSarcoma
... surgeryHospital O1..*stringSurgery Hospital (M)
ObligationsActor
SHALL:handleHead and Neck
... dateOfSurgery O1..*dateDate of surgery (M)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
... surgeryIntention O0..*CodeableConceptSurgery intention (O)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
... typeOfSurgicalApproachOnTumour O1..*CodeableConceptType of surgical approach on Tumour (M)
ObligationsActor
SHALL:handleHead and Neck
... marginsAfterSurgery O1..*CodeableConceptMargins after surgery (M)
ObligationsActor
SHALL:handleHead and Neck
SHALL:handleSarcoma
... tumorRupture O1..*booleanTumor rupture (M)
ObligationsActor
SHALL:handleSarcoma
... extraNodalExtension O1..*CodeableConceptExtra-nodal extension (rEne) (M)
ObligationsActor
SHALL:handleHead and Neck
... surgicalSpecimenMitoticCount O1..*QuantitySurgical specimen Mitotic count (M)
ObligationsActor
SHALL:handleSarcoma
... surgicalSpecimenGradingOnlyInUntreatedTumours O1..*CodeableConceptSurgical specimen grading only in untreated tumours (M)
ObligationsActor
SHALL:handleSarcoma
... reconstruction O1..*booleanReconstruction (M)
ObligationsActor
SHALL:handleHead and Neck
... neckSurgery O1..*booleanNeck surgery (M)
ObligationsActor
SHALL:handleHead and Neck
... dateOfNeckSurgery O1..*dateDate of Neck surgery (M)
ObligationsActor
SHALL:handleHead and Neck
... lateralityOfTheDissection O1..*CodeableConceptLaterality of the dissection (M)
ObligationsActor
SHALL:handleHead and Neck
... surgeryOnM O1..*booleanSurgery on M (M)
ObligationsActor
SHALL:handleHead and Neck
... dateOfSurgeryOnM O1..*dateDate of surgery on M (M)
ObligationsActor
SHALL:handleHead and Neck
... siteOfSurgeryOnMetastasis O0..*BackboneElementSite of surgery on metastasis_soft tissue (O)
ObligationsActor
SHALL:handleHead and Neck
.... softTissue O0..*booleanSite of surgery on metastasis_soft tissue (O)
ObligationsActor
SHALL:handleHead and Neck
.... distantLymphNodes O0..*booleanSite of surgery on metastasis_distant lymph nodes (O)
ObligationsActor
SHALL:handleHead and Neck
.... lung O0..*booleanSite of surgery on metastasis_lung (O)
ObligationsActor
SHALL:handleHead and Neck
.... bone O0..*booleanSite of surgery on metastasis_bone (O)
ObligationsActor
SHALL:handleHead and Neck
.... liver O0..*booleanSite of surgery on metastasis_liver (O)
ObligationsActor
SHALL:handleHead and Neck
.... pleura O0..*booleanSite of surgery on metastasis_pleura (O)
ObligationsActor
SHALL:handleHead and Neck
.... peritoneum O0..*booleanSite of surgery on metastasis_peritoneum (O)
ObligationsActor
SHALL:handleHead and Neck
.... brain O0..*booleanSite of surgery on metastasis_brain (O)
ObligationsActor
SHALL:handleHead and Neck
.... otherViscera O0..*booleanSite of surgery on metastasis_other viscera (O)
ObligationsActor
SHALL:handleHead and Neck
.... unknown O0..*booleanSite of surgery on metastasis_unknown (O)
ObligationsActor
SHALL:handleHead and Neck
... surgicalComplications O1..*CodeableConceptSurgical complications (Clavien-Dindo Classification) (M)
ObligationsActor
SHALL:handleHead and Neck

doco Documentation for this format

Source

{
  "resourceType": "StructureDefinition",
  "id": "Surgery",
  "text": {
    "status": "extensions",
    "div": "<!-- snip (see above) -->"
  },
  "url": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/Surgery",
  "version": "0.1.0",
  "name": "SurgeryI4RC",
  "title": "Surgery",
  "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": "Surgery\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/Surgery",
  "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": "Surgery",
        "path": "Surgery",
        "short": "Surgery",
        "definition": "Surgery\nMaturity Level: 0 Draft",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Base",
          "min": 0,
          "max": "*"
        },
        "isModifier": false
      },
      {
        "id": "Surgery.diagnosisReference",
        "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/Surgery|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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.diagnosisReference",
        "short": "Diagnosis reference (M)",
        "definition": "Diagnosis reference in case the treatment was done for baseline",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Surgery.diagnosisReference",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/Diagnosis"
          }
        ]
      },
      {
        "id": "Surgery.episodeEvent",
        "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/Surgery|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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.episodeEvent",
        "short": "Episode Event reference (M)",
        "definition": "EpisodeEvent element containing the data regarding the patient's cancer, in case the treatment was done for an episode event (progression, recurrence...)",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Surgery.episodeEvent",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/EpisodeEvent"
          }
        ]
      },
      {
        "id": "Surgery.surgeryType",
        "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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.surgeryType",
        "short": "Surgery type (M)",
        "definition": "Primary surgery/re-excision (check with unplanned or excisional biopsy)\n\nCheck\n\n\"Surgery (with date) is a procedure occurrence, which is \nreferred to in the EPISODE_EVENT table. \nProvider of the procedure can be defined based on the hospital.\n\nIf type of surgery is not specified use SURGICAL PROCEDURE.\"\n\nCHILDREN",
        "comment": "Surgical procedure - 4301351\nLocal excision - 4315400\nAmputation - 4217482\nLimb operation - 4181193",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Surgery.surgeryType",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "Surgery.surgeryHospital",
        "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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.surgeryHospital",
        "short": "Surgery Hospital (M)",
        "definition": "Whether or not a surgical procedure was performed and whether it was performed at the registering hospital or another hospital. Diagnostic procedures (biopsy) are not included.",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Surgery.surgeryHospital",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Surgery.dateOfSurgery",
        "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/Surgery|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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.dateOfSurgery",
        "short": "Date of surgery (M)",
        "definition": "Date of the surgery for primary tumor with or without neck surgery \nIs there a new excision surgery to treat the cancer by removing the tumor ?\nYes : New event\nIs the tumor that is going to be removed metastatic ?\nYes: Add True for Surgery on M, with the same date than the surgery date\nIs the tumor on the Neck ?\nYes: add true for Neck Surgery, with the same date than the surgery date\nIs the neck surgery accompanied by a dissection ?\nYes : fill the type of dissection",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Surgery.dateOfSurgery",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "date"
          }
        ]
      },
      {
        "id": "Surgery.surgeryIntention",
        "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/Surgery|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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.surgeryIntention",
        "short": "Surgery intention (O)",
        "definition": "Palliative: surgery performed with the intent of improving quality of life or relieving symptoms caused by advanced disease.\nCurative: surgery performed with the intend of oncologic cure, regardless of its result (R0 / R1/R2)",
        "comment": "Palliative - 4179711\nCurative procedure intent - 4162591",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Surgery.surgeryIntention",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "Surgery.typeOfSurgicalApproachOnTumour",
        "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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.typeOfSurgicalApproachOnTumour",
        "short": "Type of surgical approach on Tumour (M)",
        "definition": "Describes the approach to tumor resection whether it includes skin incision (extenal or open ),  or it 's aproached through a natural orifice (Transnasal/transorbital/transoral) or if the approach combines two or more of the previous ones \nMaybe should be a flag",
        "comment": "External/Open - 4236080\nTransnasal - 4050374\nTransorbital - 4044897\nTransoral - 4038679\nCraniofacial - 4333339\nCombined surgical approach - 2000100027",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Surgery.typeOfSurgicalApproachOnTumour",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "Surgery.marginsAfterSurgery",
        "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/Surgery|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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.marginsAfterSurgery",
        "short": "Margins after surgery (M)",
        "definition": "The R0 (“no residual rumor”) category applies only to cases in which residual tumor cannot be detected by conventional diagnostic methods. A more exact definition would read “no detectable residual tumor.”This category corresponds to surgical resection for cure.\nThe R1 category is reserved exclusively for cases in which residual tumor is found by histologic examination. This category may apply to biopsy sampling of the regional tissue at the site of resection or of a distant site at the time of surgery. It also applies to microscopic examination of the resection margins of the surgical resection specimen by the pathologist.\nR2 applies to cases with macroscopically visible residual tumor that is detected either clinically or pathologically.",
        "comment": "R0: No residual tumor - 1634643\nR1: Microscopic residual tumor - 1633801\nR2: Macroscopic residual tumor - 1634484",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Surgery.marginsAfterSurgery",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "Surgery.tumorRupture",
        "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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.tumorRupture",
        "short": "Tumor rupture (M)",
        "definition": "Tumor rupture Yes/No \nCancer modifiers (associated with diagnosis)\n\nFor Absence use value_as_concept_id = ABSENT",
        "comment": "Tumor Rupture - 36768904",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Surgery.tumorRupture",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.extraNodalExtension",
        "short": "Extra-nodal extension (rEne) (M)",
        "definition": "Describes the presence or absence of radiological signs of extracapsular extension by histopathologic examination or not, as defined in the AJCC 8th Ed. It's also present in the Clinical/Pathological stages for baseline diagnosis. \ncheck CODEs",
        "comment": "ENE- - 36769946\nENE+ - 36770618",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Surgery.extraNodalExtension",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "Surgery.surgicalSpecimenMitoticCount",
        "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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.surgicalSpecimenMitoticCount",
        "short": "Surgical specimen Mitotic count (M)",
        "definition": "Surgical specimen Mitotic count",
        "comment": "Number of mitoses per 10 high power fields - 4227243",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Surgery.surgicalSpecimenMitoticCount",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "Quantity"
          }
        ]
      },
      {
        "id": "Surgery.surgicalSpecimenGradingOnlyInUntreatedTumours",
        "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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.surgicalSpecimenGradingOnlyInUntreatedTumours",
        "short": "Surgical specimen grading only in untreated tumours (M)",
        "definition": "Provides the grading for surgical specimen only for untreated tumours",
        "comment": "Grade-1 - 1634371\nGrade-2 - 1634752\nGrade-3 - 1633749\nGrade-H - 1635587\nGrade-L - 1634085",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Surgery.surgicalSpecimenGradingOnlyInUntreatedTumours",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "Surgery.reconstruction",
        "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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.reconstruction",
        "short": "Reconstruction (M)",
        "definition": "Local flap / regional pedicled flap / free flap",
        "comment": "Yes - 4188539\nNo -  4188540",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Surgery.reconstruction",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.neckSurgery",
        "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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.neckSurgery",
        "short": "Neck surgery (M)",
        "definition": "Describes whether a surgical procedure to treat and address the neck was performed or not.",
        "comment": "Yes - 4188539\nNo -  4188540",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Surgery.neckSurgery",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.dateOfNeckSurgery",
        "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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.dateOfNeckSurgery",
        "short": "Date of Neck surgery (M)",
        "definition": "Date of the surgery on the neck",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Surgery.dateOfNeckSurgery",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "date"
          }
        ]
      },
      {
        "id": "Surgery.lateralityOfTheDissection",
        "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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.lateralityOfTheDissection",
        "short": "Laterality of the dissection (M)",
        "definition": "Describes laterality of the neck surgical procedure: \nIpsilateral when only  the neck ipsilateral to the tumor has been treated\nContralateral when only the neck contralateral to the tumor has been treated \nBilateral: when both sides of the neck have been treated",
        "comment": "Ipsilateral - 4112106\nBilateral Sampling - 4117496\nControlateral - 4112107",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Surgery.lateralityOfTheDissection",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "Surgery.surgeryOnM",
        "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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.surgeryOnM",
        "short": "Surgery on M (M)",
        "definition": "Describes whether surgery is performed to treat the Metastasis",
        "comment": "Yes - 4188539\nNo -  4188540",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Surgery.surgeryOnM",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.dateOfSurgeryOnM",
        "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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.dateOfSurgeryOnM",
        "short": "Date of surgery on M (M)",
        "definition": "Date of the surgery on the metastasis",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Surgery.dateOfSurgeryOnM",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "date"
          }
        ]
      },
      {
        "id": "Surgery.siteOfSurgeryOnMetastasis",
        "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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.siteOfSurgeryOnMetastasis",
        "short": "Site of surgery on metastasis_soft tissue (O)",
        "definition": "Describes if site of surgery on metastasis  is soft tissue",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Surgery.siteOfSurgeryOnMetastasis",
          "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": "Surgery.siteOfSurgeryOnMetastasis.id",
        "path": "Surgery.siteOfSurgeryOnMetastasis.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": "Surgery.siteOfSurgeryOnMetastasis.extension",
        "path": "Surgery.siteOfSurgeryOnMetastasis.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": "Surgery.siteOfSurgeryOnMetastasis.modifierExtension",
        "path": "Surgery.siteOfSurgeryOnMetastasis.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": "Surgery.siteOfSurgeryOnMetastasis.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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.siteOfSurgeryOnMetastasis.softTissue",
        "short": "Site of surgery on metastasis_soft tissue (O)",
        "definition": "Describes if site of surgery on metastasis  is soft tissue",
        "comment": "Metastasis to soft tissues - 35225724",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Surgery.siteOfSurgeryOnMetastasis.softTissue",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.siteOfSurgeryOnMetastasis.distantLymphNodes",
        "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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.siteOfSurgeryOnMetastasis.distantLymphNodes",
        "short": "Site of surgery on metastasis_distant lymph nodes (O)",
        "definition": "Describes if site of surgery on metastasis  is dystan lymph node",
        "comment": "Distant spread to lymph node - 36769243",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Surgery.siteOfSurgeryOnMetastasis.distantLymphNodes",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.siteOfSurgeryOnMetastasis.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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.siteOfSurgeryOnMetastasis.lung",
        "short": "Site of surgery on metastasis_lung (O)",
        "definition": "Describes if site of surgery on metastasis  is lung",
        "comment": "Metastasis to lung - 36770283",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Surgery.siteOfSurgeryOnMetastasis.lung",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.siteOfSurgeryOnMetastasis.bone",
        "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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.siteOfSurgeryOnMetastasis.bone",
        "short": "Site of surgery on metastasis_bone (O)",
        "definition": "Describes if site of surgery on metastasis  is bone",
        "comment": "Metastasis to bone - 36769301",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Surgery.siteOfSurgeryOnMetastasis.bone",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.siteOfSurgeryOnMetastasis.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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.siteOfSurgeryOnMetastasis.liver",
        "short": "Site of surgery on metastasis_liver (O)",
        "definition": "Describes if site of surgery on metastasis  is liver",
        "comment": "Metastasis to liver - 36770544",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Surgery.siteOfSurgeryOnMetastasis.liver",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.siteOfSurgeryOnMetastasis.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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.siteOfSurgeryOnMetastasis.pleura",
        "short": "Site of surgery on metastasis_pleura (O)",
        "definition": "Describes if site of surgery on metastasis  is pleura",
        "comment": "Metastasis to pleura - 35226258",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Surgery.siteOfSurgeryOnMetastasis.pleura",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.siteOfSurgeryOnMetastasis.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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.siteOfSurgeryOnMetastasis.peritoneum",
        "short": "Site of surgery on metastasis_peritoneum (O)",
        "definition": "Describes if site of surgery on metastasis  is peritoneum",
        "comment": "Metastasis to peritoneum - 35226253",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Surgery.siteOfSurgeryOnMetastasis.peritoneum",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.siteOfSurgeryOnMetastasis.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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.siteOfSurgeryOnMetastasis.brain",
        "short": "Site of surgery on metastasis_brain (O)",
        "definition": "Describes if site of surgery on metastasis  is brain",
        "comment": "Metastasis to brain - 36768862",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Surgery.siteOfSurgeryOnMetastasis.brain",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.siteOfSurgeryOnMetastasis.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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.siteOfSurgeryOnMetastasis.otherViscera",
        "short": "Site of surgery on metastasis_other viscera (O)",
        "definition": "Describes if site of surgery on metastasis  is other viscera \nUse the generic metastasis code or a metastasis subsumed in it, 36769180",
        "comment": "Metastasis - 36769180",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Surgery.siteOfSurgeryOnMetastasis.otherViscera",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.siteOfSurgeryOnMetastasis.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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.siteOfSurgeryOnMetastasis.unknown",
        "short": "Site of surgery on metastasis_unknown (O)",
        "definition": "Describes if site of surgery on metastasis  is unknown",
        "comment": "Unknown - 4129922",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Surgery.siteOfSurgeryOnMetastasis.unknown",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.surgicalComplications",
        "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/Surgery|0.1.0"
              }
            ],
            "url": "http://hl7.org/fhir/StructureDefinition/obligation"
          }
        ],
        "path": "Surgery.surgicalComplications",
        "short": "Surgical complications (Clavien-Dindo Classification) (M)",
        "definition": "Describes presence and grade of complications after a surgical procedure,",
        "comment": "Absent - 4132135\nClavien-Dindo complication scale: Grade I - 715974\nClavien-Dindo complication scale: Grade II - 715975\nClavien-Dindo complication scale: Grade III - 715976\nClavien-Dindo complication scale: Grade IIIA - 715977\nClavien-Dindo complication scale: Grade IIIB - 715978\nClavien-Dindo complication scale: Grade IV - 715979\nClavien-Dindo complication scale: Grade IVA - 715980\nClavien-Dindo complication scale: Grade IVB - 715981\nClavien-Dindo complication scale: Grade V - 715982",
        "min": 1,
        "max": "*",
        "base": {
          "path": "Surgery.surgicalComplications",
          "min": 1,
          "max": "*"
        },
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      }
    ]
  },
  "differential": {
    "element": [
      {
        "id": "Surgery",
        "path": "Surgery",
        "short": "Surgery",
        "definition": "Surgery\nMaturity Level: 0 Draft"
      },
      {
        "id": "Surgery.diagnosisReference",
        "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": "Surgery.diagnosisReference",
        "short": "Diagnosis reference (M)",
        "definition": "Diagnosis reference in case the treatment was done for baseline ",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/Diagnosis"
          }
        ]
      },
      {
        "id": "Surgery.episodeEvent",
        "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": "Surgery.episodeEvent",
        "short": "Episode Event reference (M)",
        "definition": "EpisodeEvent element containing the data regarding the patient's cancer, in case the treatment was done for an episode event (progression, recurrence...) ",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/EpisodeEvent"
          }
        ]
      },
      {
        "id": "Surgery.surgeryType",
        "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": "Surgery.surgeryType",
        "short": "Surgery type (M)",
        "definition": "Primary surgery/re-excision (check with unplanned or excisional biopsy)\n\nCheck\n\n\"Surgery (with date) is a procedure occurrence, which is \nreferred to in the EPISODE_EVENT table. \nProvider of the procedure can be defined based on the hospital.\n\nIf type of surgery is not specified use SURGICAL PROCEDURE.\"\n\nCHILDREN",
        "comment": "Surgical procedure - 4301351\nLocal excision - 4315400\nAmputation - 4217482\nLimb operation - 4181193",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "Surgery.surgeryHospital",
        "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": "Surgery.surgeryHospital",
        "short": "Surgery Hospital (M)",
        "definition": "Whether or not a surgical procedure was performed and whether it was performed at the registering hospital or another hospital. Diagnostic procedures (biopsy) are not included. ",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Surgery.dateOfSurgery",
        "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": "Surgery.dateOfSurgery",
        "short": "Date of surgery (M)",
        "definition": "Date of the surgery for primary tumor with or without neck surgery \nIs there a new excision surgery to treat the cancer by removing the tumor ?\nYes : New event\nIs the tumor that is going to be removed metastatic ?\nYes: Add True for Surgery on M, with the same date than the surgery date\nIs the tumor on the Neck ?\nYes: add true for Neck Surgery, with the same date than the surgery date\nIs the neck surgery accompanied by a dissection ?\nYes : fill the type of dissection",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "date"
          }
        ]
      },
      {
        "id": "Surgery.surgeryIntention",
        "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": "Surgery.surgeryIntention",
        "short": "Surgery intention (O)",
        "definition": "Palliative: surgery performed with the intent of improving quality of life or relieving symptoms caused by advanced disease.\nCurative: surgery performed with the intend of oncologic cure, regardless of its result (R0 / R1/R2) ",
        "comment": "Palliative - 4179711\nCurative procedure intent - 4162591",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "Surgery.typeOfSurgicalApproachOnTumour",
        "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": "Surgery.typeOfSurgicalApproachOnTumour",
        "short": "Type of surgical approach on Tumour (M)",
        "definition": "Describes the approach to tumor resection whether it includes skin incision (extenal or open ),  or it 's aproached through a natural orifice (Transnasal/transorbital/transoral) or if the approach combines two or more of the previous ones \nMaybe should be a flag",
        "comment": "External/Open - 4236080\nTransnasal - 4050374\nTransorbital - 4044897\nTransoral - 4038679\nCraniofacial - 4333339\nCombined surgical approach - 2000100027",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "Surgery.marginsAfterSurgery",
        "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": "Surgery.marginsAfterSurgery",
        "short": "Margins after surgery (M)",
        "definition": "The R0 (“no residual rumor”) category applies only to cases in which residual tumor cannot be detected by conventional diagnostic methods. A more exact definition would read “no detectable residual tumor.”This category corresponds to surgical resection for cure.\nThe R1 category is reserved exclusively for cases in which residual tumor is found by histologic examination. This category may apply to biopsy sampling of the regional tissue at the site of resection or of a distant site at the time of surgery. It also applies to microscopic examination of the resection margins of the surgical resection specimen by the pathologist.\nR2 applies to cases with macroscopically visible residual tumor that is detected either clinically or pathologically. ",
        "comment": "R0: No residual tumor - 1634643\nR1: Microscopic residual tumor - 1633801\nR2: Macroscopic residual tumor - 1634484",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "Surgery.tumorRupture",
        "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": "Surgery.tumorRupture",
        "short": "Tumor rupture (M)",
        "definition": "Tumor rupture Yes/No \nCancer modifiers (associated with diagnosis)\n\nFor Absence use value_as_concept_id = ABSENT",
        "comment": "Tumor Rupture - 36768904",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.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": "Surgery.extraNodalExtension",
        "short": "Extra-nodal extension (rEne) (M)",
        "definition": "Describes the presence or absence of radiological signs of extracapsular extension by histopathologic examination or not, as defined in the AJCC 8th Ed. It's also present in the Clinical/Pathological stages for baseline diagnosis. \ncheck CODEs",
        "comment": "ENE- - 36769946\nENE+ - 36770618",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "Surgery.surgicalSpecimenMitoticCount",
        "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": "Surgery.surgicalSpecimenMitoticCount",
        "short": "Surgical specimen Mitotic count (M)",
        "definition": "Surgical specimen Mitotic count ",
        "comment": "Number of mitoses per 10 high power fields - 4227243",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "Quantity"
          }
        ]
      },
      {
        "id": "Surgery.surgicalSpecimenGradingOnlyInUntreatedTumours",
        "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": "Surgery.surgicalSpecimenGradingOnlyInUntreatedTumours",
        "short": "Surgical specimen grading only in untreated tumours (M)",
        "definition": "Provides the grading for surgical specimen only for untreated tumours ",
        "comment": "Grade-1 - 1634371\nGrade-2 - 1634752\nGrade-3 - 1633749\nGrade-H - 1635587\nGrade-L - 1634085",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "Surgery.reconstruction",
        "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": "Surgery.reconstruction",
        "short": "Reconstruction (M)",
        "definition": "Local flap / regional pedicled flap / free flap ",
        "comment": "Yes - 4188539\nNo -  4188540",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.neckSurgery",
        "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": "Surgery.neckSurgery",
        "short": "Neck surgery (M)",
        "definition": "Describes whether a surgical procedure to treat and address the neck was performed or not. ",
        "comment": "Yes - 4188539\nNo -  4188540",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.dateOfNeckSurgery",
        "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": "Surgery.dateOfNeckSurgery",
        "short": "Date of Neck surgery (M)",
        "definition": "Date of the surgery on the neck ",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "date"
          }
        ]
      },
      {
        "id": "Surgery.lateralityOfTheDissection",
        "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": "Surgery.lateralityOfTheDissection",
        "short": "Laterality of the dissection (M)",
        "definition": "Describes laterality of the neck surgical procedure: \nIpsilateral when only  the neck ipsilateral to the tumor has been treated\nContralateral when only the neck contralateral to the tumor has been treated \nBilateral: when both sides of the neck have been treated ",
        "comment": "Ipsilateral - 4112106\nBilateral Sampling - 4117496\nControlateral - 4112107",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      },
      {
        "id": "Surgery.surgeryOnM",
        "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": "Surgery.surgeryOnM",
        "short": "Surgery on M (M)",
        "definition": "Describes whether surgery is performed to treat the Metastasis ",
        "comment": "Yes - 4188539\nNo -  4188540",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.dateOfSurgeryOnM",
        "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": "Surgery.dateOfSurgeryOnM",
        "short": "Date of surgery on M (M)",
        "definition": "Date of the surgery on the metastasis ",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "date"
          }
        ]
      },
      {
        "id": "Surgery.siteOfSurgeryOnMetastasis",
        "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": "Surgery.siteOfSurgeryOnMetastasis",
        "short": "Site of surgery on metastasis_soft tissue (O)",
        "definition": "Describes if site of surgery on metastasis  is soft tissue ",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "BackboneElement"
          }
        ]
      },
      {
        "id": "Surgery.siteOfSurgeryOnMetastasis.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"
          }
        ],
        "path": "Surgery.siteOfSurgeryOnMetastasis.softTissue",
        "short": "Site of surgery on metastasis_soft tissue (O)",
        "definition": "Describes if site of surgery on metastasis  is soft tissue ",
        "comment": "Metastasis to soft tissues - 35225724",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.siteOfSurgeryOnMetastasis.distantLymphNodes",
        "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": "Surgery.siteOfSurgeryOnMetastasis.distantLymphNodes",
        "short": "Site of surgery on metastasis_distant lymph nodes (O)",
        "definition": "Describes if site of surgery on metastasis  is dystan lymph node ",
        "comment": "Distant spread to lymph node - 36769243",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.siteOfSurgeryOnMetastasis.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"
          }
        ],
        "path": "Surgery.siteOfSurgeryOnMetastasis.lung",
        "short": "Site of surgery on metastasis_lung (O)",
        "definition": "Describes if site of surgery on metastasis  is lung ",
        "comment": "Metastasis to lung - 36770283",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.siteOfSurgeryOnMetastasis.bone",
        "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": "Surgery.siteOfSurgeryOnMetastasis.bone",
        "short": "Site of surgery on metastasis_bone (O)",
        "definition": "Describes if site of surgery on metastasis  is bone ",
        "comment": "Metastasis to bone - 36769301",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.siteOfSurgeryOnMetastasis.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"
          }
        ],
        "path": "Surgery.siteOfSurgeryOnMetastasis.liver",
        "short": "Site of surgery on metastasis_liver (O)",
        "definition": "Describes if site of surgery on metastasis  is liver ",
        "comment": "Metastasis to liver - 36770544",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.siteOfSurgeryOnMetastasis.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"
          }
        ],
        "path": "Surgery.siteOfSurgeryOnMetastasis.pleura",
        "short": "Site of surgery on metastasis_pleura (O)",
        "definition": "Describes if site of surgery on metastasis  is pleura ",
        "comment": "Metastasis to pleura - 35226258",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.siteOfSurgeryOnMetastasis.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"
          }
        ],
        "path": "Surgery.siteOfSurgeryOnMetastasis.peritoneum",
        "short": "Site of surgery on metastasis_peritoneum (O)",
        "definition": "Describes if site of surgery on metastasis  is peritoneum ",
        "comment": "Metastasis to peritoneum - 35226253",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.siteOfSurgeryOnMetastasis.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"
          }
        ],
        "path": "Surgery.siteOfSurgeryOnMetastasis.brain",
        "short": "Site of surgery on metastasis_brain (O)",
        "definition": "Describes if site of surgery on metastasis  is brain ",
        "comment": "Metastasis to brain - 36768862",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.siteOfSurgeryOnMetastasis.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"
          }
        ],
        "path": "Surgery.siteOfSurgeryOnMetastasis.otherViscera",
        "short": "Site of surgery on metastasis_other viscera (O)",
        "definition": "Describes if site of surgery on metastasis  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": "Surgery.siteOfSurgeryOnMetastasis.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"
          }
        ],
        "path": "Surgery.siteOfSurgeryOnMetastasis.unknown",
        "short": "Site of surgery on metastasis_unknown (O)",
        "definition": "Describes if site of surgery on metastasis  is unknown ",
        "comment": "Unknown - 4129922",
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "boolean"
          }
        ]
      },
      {
        "id": "Surgery.surgicalComplications",
        "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": "Surgery.surgicalComplications",
        "short": "Surgical complications (Clavien-Dindo Classification) (M)",
        "definition": "Describes presence and grade of complications after a surgical procedure, ",
        "comment": "Absent - 4132135\nClavien-Dindo complication scale: Grade I - 715974\nClavien-Dindo complication scale: Grade II - 715975\nClavien-Dindo complication scale: Grade III - 715976\nClavien-Dindo complication scale: Grade IIIA - 715977\nClavien-Dindo complication scale: Grade IIIB - 715978\nClavien-Dindo complication scale: Grade IV - 715979\nClavien-Dindo complication scale: Grade IVA - 715980\nClavien-Dindo complication scale: Grade IVB - 715981\nClavien-Dindo complication scale: Grade V - 715982",
        "min": 1,
        "max": "*",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ]
      }
    ]
  }
}