{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "The AAPM TG18-CH Image is a reference anatomical PA chest image. See [AAPM OR 03]",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "5f336dd4-db81-5653-939a-25648922f08e",
  "concept_id" : "13e51da1-ec25-5b4a-917d-5ced85c88583",
  "ancestors" : {
    "109878" : 0
  },
  "id" : "99c9e2dd-43b6-4364-8140-dc47b71e4ead",
  "code" : "109878",
  "display" : "TG18-CH Image",
  "version" : "01"
}