{
  "resourceType" : "BodyStructure",
  "id" : "cardiac-myxoma",
  "identifier" : [{
    "system" : "http://example.org/fhir/bodystructure-identifiers",
    "value" : "M1"
  }],
  "spanningMorphology" : {
    "text" : "Cardiac myxoma"
  },
  "includedStructure" : [{
    "structure" : {
      "text" : "Left atrium"
    }
  },
  {
    "structure" : {
      "text" : "Left ventricle"
    }
  }],
  "description" : "A cardiac myxoma originating in the left atrium and extending through the mitral valve into the left ventricle.",
  "patient" : {
    "reference" : "Patient/example"
  }
}