{
  "resourceType": "StructureDefinition",
  "url": "https://sil-th-group-a.org/fhir/StructureDefinition/CancerPatient",
  "name": "CancerPatient",
  "status": "draft",
  "fhirVersion": "4.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "Patient",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Patient",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Patient.identifier",
        "path": "Patient.identifier",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "Patient.name",
        "path": "Patient.name",
        "min": 1,
        "constraint": [
          {
            "key": "name-required",
            "severity": "error",
            "human": "Either a given name MUST be provided or a family name MUST include",
            "expression": "family.exists() or given.exists()"
          }
        ]
      },
      {
        "id": "Patient.name.family",
        "path": "Patient.name.family",
        "mustSupport": true
      },
      {
        "id": "Patient.name.given",
        "path": "Patient.name.given",
        "mustSupport": true
      },
      {
        "id": "Patient.telecom",
        "path": "Patient.telecom",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "system"
            },
            {
              "type": "value",
              "path": "use"
            }
          ],
          "rules": "open"
        },
        "min": 1
      },
      {
        "id": "Patient.telecom:phone",
        "path": "Patient.telecom",
        "sliceName": "phone"
      },
      {
        "id": "Patient.telecom:phone.system",
        "path": "Patient.telecom.system",
        "min": 1,
        "fixedCode": "phone"
      },
      {
        "id": "Patient.telecom:phone.use",
        "path": "Patient.telecom.use",
        "min": 1,
        "fixedCode": "mobile"
      },
      {
        "id": "Patient.telecom:email",
        "path": "Patient.telecom",
        "sliceName": "email"
      },
      {
        "id": "Patient.telecom:email.system",
        "path": "Patient.telecom.system",
        "min": 1,
        "fixedCode": "email"
      },
      {
        "id": "Patient.gender",
        "path": "Patient.gender",
        "mustSupport": true
      },
      {
        "id": "Patient.deceased[x]",
        "path": "Patient.deceased[x]",
        "mustSupport": true
      }
    ]
  }
}