{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "The TG18-GA05 Pattern This pattern is identical to TG18-GQ except that the radius of the central black circle is varied as r = 5. See [AAPM OR 03]",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "0aa7cf28-f39a-57dc-be3f-a14f1f453d17",
  "ancestors" : {
    "109871" : 0
  },
  "id" : "07924a17-449c-4069-90a0-4a05e5f5f94f",
  "code" : "109871",
  "display" : "TG18-GA05 Pattern",
  "version" : "01"
}