{
  "id": 5681,
  "label": "mediastinal extraskeletal osteosarcoma",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0003808",
  "properties": {
    "xrefs": [
      "DOID:6208",
      "GARD:0023678",
      "MEDGEN:235314",
      "NCIT:C6615",
      "UMLS:C1334675"
    ],
    "synonyms": [
      "mediastinal extraskeletal osteosarcoma",
      "mediastinal osteogenic sarcoma",
      "mediastinal osteosarcoma",
      "mediastinum osteosarcoma (disease)",
      "osteogenic sarcoma of mediastinum",
      "osteogenic sarcoma of the mediastinum",
      "osteosarcoma of mediastinum",
      "osteosarcoma of the mediastinum"
    ],
    "definition": "An osteosarcoma arising from the mediastinum."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 4672,
      "label": "extraosseous osteosarcoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        11016,
        18239
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:3357",
          "GARD:0023192",
          "ICD9:170.9",
          "MEDGEN:163186",
          "NCIT:C8810",
          "SCTID:404077005",
          "UMLS:C0855052"
        ],
        "synonyms": [
          "extraosseous osteosarcoma",
          "extraskeletal osteogenic sarcoma",
          "extraskeletal osteosarcoma",
          "osteosarcoma, extraskeletal, malignant",
          "soft tissue osteosarcoma"
        ],
        "definition": "An osteosarcoma arising from the soft tissue."
      },
      "child_count": 14,
      "reference_id": "MONDO:0002621"
    },
    {
      "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"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 4672,
      "label": "extraosseous osteosarcoma"
    },
    {
      "id": 4866,
      "label": "mediastinum sarcoma"
    }
  ]
}