{
  "id": 4670,
  "label": "bone fibrosarcoma",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0002619",
  "properties": {
    "xrefs": [
      "DOID:3354",
      "GARD:0023191",
      "MEDGEN:404782",
      "NCIT:C6604",
      "UMLS:C2733623"
    ],
    "synonyms": [
      "bone fibrosarcoma",
      "bone tissue fibrosarcoma (disease)",
      "fibrosarcoma of bone",
      "fibrosarcoma of the bone"
    ],
    "categories": [
      {
        "ref": "MONDO:0002081",
        "name": "musculoskeletal system disorder"
      },
      {
        "ref": "MONDO:0003900",
        "name": "connective tissue disorder"
      }
    ],
    "definition": "A usually aggressive malignant neoplasm arising from the bone. It is characterized by the presence of spindle-shaped fibroblasts and collagenous stroma formation in a herringbone growth pattern."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 6886,
      "label": "fibrosarcoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        7762,
        18239
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:3355",
          "EFO:0002087",
          "GARD:0002327",
          "HP:0100244",
          "ICD9:171.9",
          "ICDO:8810/3",
          "MEDGEN:5178",
          "MESH:D005354",
          "MedDRA:10016632",
          "NANDO:2200060",
          "NCIT:C3043",
          "ONCOTREE:FIBS",
          "Orphanet:2030",
          "SCTID:443250000",
          "UMLS:C0016057"
        ],
        "synonyms": [
          "fibrocytic tumor",
          "fibrocytic tumour",
          "fibrosarcoma",
          "fibrosarcoma (disease)",
          "fibrosarcoma (excluding infantile fibrosarcoma)",
          "fibrosarcoma - not infantile",
          "fibrosarcoma, malignant",
          "malignant fibromatous neoplasm"
        ],
        "categories": [
          {
            "ref": "MONDO:0003900",
            "name": "connective tissue disorder"
          }
        ],
        "definition": "A malignant mesenchymal fibroblastic neoplasm affecting the soft tissue and bone."
      },
      "child_count": 22,
      "reference_id": "MONDO:0005164"
    },
    {
      "id": 20297,
      "label": "bone sarcoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4262,
        6816
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:0080639",
          "GARD:0020547",
          "ICD9:170.9",
          "MEDGEN:352831",
          "MedDRA:10006007",
          "NCIT:C9312",
          "Orphanet:223727",
          "SCTID:448710000",
          "UMLS:C1704327"
        ],
        "synonyms": [
          "bone sarcoma",
          "osseous sarcoma",
          "sarcoma of bone",
          "sarcoma of the bone",
          "skeletal sarcoma"
        ],
        "categories": [
          {
            "ref": "MONDO:0002081",
            "name": "musculoskeletal system disorder"
          },
          {
            "ref": "MONDO:0003900",
            "name": "connective tissue disorder"
          }
        ],
        "definition": "A sarcoma that arises from the bone. Representative examples are osteosarcoma and chondrosarcoma."
      },
      "child_count": 26,
      "reference_id": "MONDO:0021054"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 6886,
      "label": "fibrosarcoma"
    },
    {
      "id": 20297,
      "label": "bone sarcoma"
    }
  ]
}