{
  "id": 4672,
  "label": "extraosseous osteosarcoma",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0002621",
  "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."
  },
  "isLeaf": false,
  "isRoot": false,
  "child_count": 7,
  "parents": [
    {
      "id": 11016,
      "label": "osteosarcoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        6816
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:3347",
          "EFO:0000637",
          "HP:0002669",
          "ICDO:9180/3",
          "MEDGEN:10501",
          "MESH:D012516",
          "NANDO:2200048",
          "NCIT:C9145",
          "ONCOTREE:OS",
          "UMLS:C0029463"
        ],
        "synonyms": [
          "bone tissue neoplasm",
          "osteogenic sarcoma",
          "osteoid sarcoma",
          "osteosarcoma",
          "osteosarcoma (disease)",
          "osteosarcoma, malignant",
          "sarcoma of osteoid"
        ],
        "definition": "A usually aggressive malignant bone-forming mesenchymal neoplasm, predominantly affecting adolescents and young adults. It usually involves bones and less frequently extraosseous sites. It often involves the long bones (particularly distal femur, proximal tibia, and proximal humerus). Pain with or without a palpable mass is the most frequent clinical symptom. It may spread to other anatomic sites, particularly the lungs."
      },
      "child_count": 6,
      "reference_id": "MONDO:0009807"
    },
    {
      "id": 18239,
      "label": "soft tissue sarcoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        6816,
        21548
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:0070663",
          "EFO:1001968",
          "GARD:0004898",
          "MEDGEN:1642116",
          "NCIT:C9306",
          "NORD:1953",
          "Orphanet:3394",
          "SCTID:424952003",
          "UMLS:C4551687"
        ],
        "synonyms": [
          "malignant soft tissue tumor",
          "malignant soft tissue tumour",
          "connective tissue sarcoma",
          "malignant mesenchymal tumor",
          "malignant mesenchymal tumour",
          "non-Rhabdo. soft tissue sarcoma",
          "sarcoma of soft tissue",
          "sarcoma of the soft tissue",
          "soft part sarcoma",
          "soft tissue sarcoma"
        ],
        "definition": "A malignant neoplasm arising from muscle tissue, adipose tissue, blood vessels, fibrous tissue, or other supportive tissues excluding the bones."
      },
      "child_count": 92,
      "reference_id": "MONDO:0018078"
    }
  ],
  "children": [
    {
      "id": 5602,
      "label": "kidney osteogenic sarcoma",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        4672,
        4936
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:5983",
          "GARD:0023632",
          "MEDGEN:235547",
          "NCIT:C6181",
          "UMLS:C1335747"
        ],
        "synonyms": [
          "kidney extraskeletal osteosarcoma",
          "kidney osteogenic sarcoma",
          "kidney osteosarcoma",
          "kidney osteosarcoma (disease)",
          "osteogenic sarcoma of kidney",
          "osteogenic sarcoma of the kidney",
          "osteosarcoma of kidney",
          "osteosarcoma of the kidney",
          "renal extraskeletal osteosarcoma",
          "renal osteogenic sarcoma",
          "renal osteosarcoma"
        ],
        "categories": [
          {
            "ref": "MONDO:0002118",
            "name": "urinary system disorder"
          }
        ],
        "definition": "An osteosarcoma arising from the kidney."
      },
      "child_count": 0,
      "reference_id": "MONDO:0003721"
    },
    {
      "id": 5681,
      "label": "mediastinal extraskeletal osteosarcoma",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        4672,
        4866
      ],
      "type_id": 0,
      "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."
      },
      "child_count": 0,
      "reference_id": "MONDO:0003808"
    },
    {
      "id": 5731,
      "label": "liver extraskeletal osteosarcoma",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        4487,
        4672
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:6370",
          "GARD:0023705",
          "MEDGEN:232597",
          "NCIT:C5833",
          "UMLS:C1333974"
        ],
        "synonyms": [
          "hepatic extraskeletal osteosarcoma",
          "hepatic osteogenic sarcoma",
          "hepatic osteosarcoma",
          "liver extraskeletal osteosarcoma",
          "liver osteogenic sarcoma",
          "liver osteosarcoma",
          "liver osteosarcoma (disease)",
          "osteogenic sarcoma of liver",
          "osteogenic sarcoma of the liver",
          "osteosarcoma of liver",
          "osteosarcoma of the liver"
        ],
        "categories": [
          {
            "ref": "MONDO:0004335",
            "name": "digestive system disorder"
          },
          {
            "ref": "MONDO:0005151",
            "name": "endocrine system disorder"
          }
        ],
        "definition": "An osteosarcoma arising from the liver."
      },
      "child_count": 0,
      "reference_id": "MONDO:0003866"
    },
    {
      "id": 5999,
      "label": "childhood extraosseous osteosarcoma",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        4672,
        4674
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:7297",
          "GARD:0023863",
          "MEDGEN:232060",
          "NCIT:C27376",
          "UMLS:C1332968"
        ],
        "synonyms": [
          "childhood extraosseous osteosarcoma",
          "childhood extraskeletal osteosarcoma",
          "extraosseous osteosarcoma of childhood",
          "paediatric extraosseous osteosarcoma",
          "paediatric extraskeletal osteosarcoma",
          "pediatric extraosseous osteosarcoma",
          "pediatric extraskeletal osteosarcoma"
        ],
        "definition": "An osteosarcoma arising from the soft tissue, and occurring during childhood."
      },
      "child_count": 0,
      "reference_id": "MONDO:0004176"
    },
    {
      "id": 6174,
      "label": "breast extraskeletal osteosarcoma",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        4569,
        4672
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:7787",
          "GARD:0023955",
          "MEDGEN:235414",
          "NCIT:C5189",
          "UMLS:C1335149"
        ],
        "synonyms": [
          "breast extraskeletal osteosarcoma",
          "breast osteosarcoma",
          "breast osteosarcoma (disease)",
          "osteogenic breast sarcoma",
          "osteogenic sarcoma of breast",
          "osteogenic sarcoma of the breast",
          "osteosarcoma of breast",
          "osteosarcoma of the breast"
        ],
        "categories": [
          {
            "ref": "MONDO:0002657",
            "name": "breast disorder"
          }
        ],
        "definition": "An osteosarcoma arising from the breast tissue."
      },
      "child_count": 0,
      "reference_id": "MONDO:0004360"
    },
    {
      "id": 6187,
      "label": "adult extraskeletal osteosarcoma",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        4262,
        4672
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:7827",
          "GARD:0023967",
          "MEDGEN:83016",
          "NCIT:C7925",
          "UMLS:C0278985"
        ],
        "synonyms": [
          "extraskeletal osteosarcoma",
          "adult extraosseous osteosarcoma",
          "adult extraskeletal osteosarcoma",
          "extraosseous osteosarcoma of adults"
        ],
        "categories": [
          {
            "ref": "MONDO:0002081",
            "name": "musculoskeletal system disorder"
          },
          {
            "ref": "MONDO:0003900",
            "name": "connective tissue disorder"
          }
        ],
        "definition": "An osteosarcoma arising from the soft tissue, and occurring in adults."
      },
      "child_count": 0,
      "reference_id": "MONDO:0004374"
    },
    {
      "id": 6232,
      "label": "central nervous system extraskeletal osteosarcoma",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        4336,
        4672,
        22971
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:7994",
          "GARD:0023997",
          "MEDGEN:233803",
          "NCIT:C7002",
          "UMLS:C1335150"
        ],
        "synonyms": [
          "central nervous system extraskeletal osteosarcoma",
          "central nervous system osteosarcoma (disease)",
          "osteosarcoma of central nervous system",
          "osteosarcoma of the central nervous system",
          "central nervous system osteosarcoma"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "An osteosarcoma arising from the brain or spinal cord."
      },
      "child_count": 0,
      "reference_id": "MONDO:0004423"
    }
  ],
  "roots": [
    {
      "id": 11016,
      "label": "osteosarcoma"
    },
    {
      "id": 18239,
      "label": "soft tissue sarcoma"
    }
  ]
}