{
  "resourceType" : "Observation",
  "id" : "DaType6HospPretxTumorAssessmentObservationExample",
  "meta" : {
    "profile" : ["http://connectdtx.kr/fhir/StructureDefinition/janusync-pretx-tumor-assessment-observation"]
  },
  "status" : "final",
  "category" : [{
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/observation-category",
      "code" : "survey"
    }]
  }],
  "code" : {
    "coding" : [{
      "system" : "http://connectdtx.kr/fhir/CodeSystem/janusync-observation-group",
      "code" : "pretx-tumor-assessment",
      "display" : "치료 전 종양 평가"
    }]
  },
  "subject" : {
    "reference" : "Patient/janusync-deidentified-patient-example"
  },
  "effectiveDateTime" : "2026-04-23T09:00:00+09:00",
  "component" : [{
    "code" : {
      "coding" : [{
        "system" : "http://connectdtx.kr/fhir/CodeSystem/janusync-observation-component",
        "code" : "tumor.marker.cea.pretx",
        "display" : "치료 전 CEA 수치"
      }]
    },
    "valueQuantity" : {
      "value" : 2.8,
      "unit" : "ng/mL",
      "system" : "http://unitsofmeasure.org",
      "code" : "ng/mL"
    }
  },
  {
    "code" : {
      "coding" : [{
        "system" : "http://connectdtx.kr/fhir/CodeSystem/janusync-observation-component",
        "code" : "tumor.marker.ca19-9.pretx",
        "display" : "치료 전 CA19-9 수치"
      }]
    },
    "valueQuantity" : {
      "value" : 18.4,
      "unit" : "U/mL",
      "system" : "http://unitsofmeasure.org",
      "code" : "U/mL"
    }
  },
  {
    "code" : {
      "coding" : [{
        "system" : "http://connectdtx.kr/fhir/CodeSystem/janusync-observation-component",
        "code" : "tumor.stage.clinical.tnm.pretx",
        "display" : "치료 전 임상적 TNM 병기"
      }]
    },
    "valueString" : "T2N1M0"
  }]
}