{
  "id": 5027,
  "label": "mediastinum angiosarcoma",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0003034",
  "properties": {
    "xrefs": [
      "DOID:4525",
      "GARD:0023340",
      "MEDGEN:233676",
      "NCIT:C6613",
      "UMLS:C1334649"
    ],
    "synonyms": [
      "angiosarcoma (disease) of mediastinum",
      "angiosarcoma of mediastinum",
      "angiosarcoma of the mediastinum",
      "hemangiosarcoma of mediastinum",
      "hemangiosarcoma of the mediastinum",
      "mediastinal angiosarcoma",
      "mediastinal hemangiosarcoma",
      "mediastinum angiosarcoma (disease)"
    ],
    "categories": [
      {
        "ref": "MONDO:0004995",
        "name": "cardiovascular disorder"
      }
    ],
    "definition": "A malignant vascular neoplasm arising from the mediastinum."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 4866,
      "label": "mediastinum sarcoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        18239,
        22973
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:4050",
          "GARD:0023270",
          "MEDGEN:233687",
          "NCIT:C6606",
          "UMLS:C1334678"
        ],
        "synonyms": [
          "mediastinal sarcoma",
          "mediastinum sarcoma",
          "sarcoma of mediastinum",
          "sarcoma of the mediastinum"
        ],
        "definition": "A rare sarcoma that arises from the mediastinum. Examples include liposarcoma, leiomyosarcoma, and angiosarcoma."
      },
      "child_count": 14,
      "reference_id": "MONDO:0002852"
    },
    {
      "id": 17394,
      "label": "angiosarcoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4233,
        18239
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:0001816",
          "EFO:0003968",
          "GARD:0020900",
          "HP:0200058",
          "ICD9:171.9",
          "ICDO:9120/3",
          "MEDGEN:42385",
          "MESH:D006394",
          "MedDRA:10002476",
          "NCIT:C3088",
          "ONCOTREE:ANGS",
          "Orphanet:263413",
          "SCTID:403977003",
          "UMLS:C0018923"
        ],
        "synonyms": [
          "angiosarcoma",
          "angiosarcoma (disease)",
          "blood vessel sarcoma",
          "hemangiosarcoma",
          "hemangiosarcoma, malignant",
          "malignant angioendothelioma",
          "malignant hemangioendothelioma",
          "sarcoma of blood vessel",
          "vascular sarcoma"
        ],
        "categories": [
          {
            "ref": "MONDO:0004995",
            "name": "cardiovascular disorder"
          }
        ],
        "definition": "A malignant tumor arising from the endothelial cells of the blood vessels. Microscopically, it is characterized by frequently open vascular anastomosing and branching channels. The malignant cells that line the vascular channels are spindle or epithelioid and often display hyperchromatic nuclei. Angiosarcomas most frequently occur in the skin and breast. Patients with long-standing lymphedema are at increased risk of developing angiosarcoma."
      },
      "child_count": 38,
      "reference_id": "MONDO:0016982"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 4866,
      "label": "mediastinum sarcoma"
    },
    {
      "id": 17394,
      "label": "angiosarcoma"
    }
  ]
}