{
  "id": 4681,
  "label": "small cell osteogenic sarcoma",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0002630",
  "properties": {
    "xrefs": [
      "DOID:3377",
      "GARD:0023197",
      "ICDO:9185/3",
      "MEDGEN:83532",
      "NCIT:C4023",
      "ONCOTREE:SCOS",
      "UMLS:C0279622"
    ],
    "synonyms": [
      "small cell osteosarcoma",
      "SCOS"
    ],
    "categories": [
      {
        "ref": "MONDO:0002081",
        "name": "musculoskeletal system disorder"
      },
      {
        "ref": "MONDO:0003900",
        "name": "connective tissue disorder"
      }
    ],
    "definition": "An osteosarcoma usually arising from the metaphysis of long bones. It is characterized by the presence of small cells and osteoid production. The prognosis is usually unfavorable."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 4262,
      "label": "bone cancer",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        3041,
        18958
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "CSP:2019-1041",
          "DOID:184",
          "EFO:1000350",
          "GARD:0023070",
          "ICD9:170.9",
          "MEDGEN:79002",
          "MESH:D001859",
          "NCIT:C4016",
          "SCTID:428281000",
          "UMLS:C0279530"
        ],
        "synonyms": [
          "bone neoplasm",
          "bone tumor",
          "bone tumour",
          "osseous tumor",
          "osseous tumour",
          "bone cancer",
          "cancer of bone",
          "cancer of skeletal element",
          "cancer of the bone",
          "malignant bone neoplasm",
          "malignant bone tumor",
          "malignant neoplasm of bone",
          "malignant neoplasm of skeletal element",
          "malignant neoplasm of the bone",
          "malignant osseous neoplasm",
          "malignant osseous tumor",
          "malignant osseous tumour",
          "malignant skeletal element neoplasm",
          "malignant tumor of bone",
          "malignant tumor of the bone",
          "malignant tumour of bone",
          "malignant tumour of the bone",
          "osseous cancer",
          "skeletal element cancer"
        ],
        "categories": [
          {
            "ref": "MONDO:0002081",
            "name": "musculoskeletal system disorder"
          },
          {
            "ref": "MONDO:0003900",
            "name": "connective tissue disorder"
          }
        ],
        "definition": "A primary or metastatic malignant neoplasm affecting the bone or articular cartilage."
      },
      "child_count": 24,
      "reference_id": "MONDO:0002129"
    },
    {
      "id": 8399,
      "label": "small cell sarcoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        6816
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:3098",
          "EFO:1001184",
          "ICDO:8803/3",
          "MEDGEN:60201",
          "MESH:D018228",
          "NCIT:C3746",
          "UMLS:C0206652"
        ],
        "synonyms": [
          "small cell sarcoma",
          "small cell sarcomas"
        ],
        "definition": "A sarcoma characterized by the presence of small round or elongated malignant cells with a small amount of cytoplasm."
      },
      "child_count": 6,
      "reference_id": "MONDO:0006974"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 4262,
      "label": "bone cancer"
    },
    {
      "id": 8399,
      "label": "small cell sarcoma"
    }
  ]
}