{
  "resourceType" : "Observation",
  "id" : "RECISTResponseExample",
  "meta" : {
    "profile" : ["https://nshr-uat.sha.go.ke/fhir/StructureDefinition/nccp-recist-response-assessment-observation"]
  },
  "language" : "en",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p>RECIST response assessment after 2 cycles of chemotherapy</p></div>"
  },
  "extension" : [{
    "url" : "https://nshr-uat.sha.go.ke/fhir/StructureDefinition/nccp-recist-timepoint-extension",
    "valueCode" : "WEEK-8"
  }],
  "status" : "final",
  "code" : {
    "coding" : [{
      "system" : "http://loinc.org",
      "code" : "21976-6",
      "display" : "Cancer outcome status"
    }]
  },
  "subject" : {
    "reference" : "Patient/example-patient"
  },
  "focus" : [{
    "reference" : "Condition/example-condition"
  }],
  "encounter" : {
    "reference" : "Encounter/example-encounter"
  },
  "effectiveDateTime" : "2026-03-15",
  "performer" : [{
    "reference" : "Practitioner/example-practitioner"
  }],
  "valueCodeableConcept" : {
    "coding" : [{
      "system" : "https://nshr-uat.sha.go.ke/fhir/CodeSystem/recist-response-cs",
      "code" : "PARTIAL-RESPONSE",
      "display" : "Partial Response"
    }]
  },
  "derivedFrom" : [{
    "reference" : "Observation/example-target-lesion"
  }]
}