<?xml version="1.0" encoding="UTF-8"?>

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