A single myxoma spanning the left atrial cavity and the inflow tract of the left ventricle, with morphology recorded on the overall BodyStructure.

{
  "resourceType" : "BodyStructure",
  "id" : "cardiac-myxoma",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n      <p>A single myxoma spans the cavity of the left cardiac atrium and the inflow tract of the left ventricle. The morphology is recorded once on the overall BodyStructure; both anatomical locations are included structures.</p>\n    </div>"
  },
  "morphology" : {
    "coding" : [{
      "system" : "http://snomed.info/sct",
      "code" : "39143003",
      "display" : "Myxoma"
    }]
  },
  "includedStructure" : [{
    "structure" : {
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "1259959001",
        "display" : "Structure of cavity of left cardiac atrium"
      }]
    }
  },
  {
    "structure" : {
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "70238003",
        "display" : "Structure of inflow tract of left ventricle"
      }]
    }
  }],
  "description" : "A single myxoma spanning the left atrial cavity and the inflow tract of the left ventricle",
  "patient" : {
    "reference" : "Patient/example"
  }
}