{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "Maximum average gray value that is calculated from a 1 cubic centimeter sphere placed within the region of interest. Reference Wahl et al PERCIST article",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "5f336dd4-db81-5653-939a-25648922f08e",
  "concept_id" : "d60970b6-4449-5270-81fa-9673def10d61",
  "ancestors" : {
    "126031" : 0
  },
  "id" : "9e8d7be0-eede-45c3-9fc2-8c6850f1d599",
  "code" : "126031",
  "display" : "Peak Value Within ROI",
  "version" : "01"
}