{
  "id": 4683,
  "label": "metachronous osteosarcoma of the bone",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0002632",
  "properties": {
    "xrefs": [
      "DOID:3379",
      "GARD:0023199",
      "MEDGEN:233695",
      "NCIT:C38157",
      "UMLS:C1334704"
    ],
    "synonyms": [
      "metachronous osteosarcoma",
      "metachronous osteosarcoma of the bone"
    ],
    "categories": [
      {
        "ref": "MONDO:0002081",
        "name": "musculoskeletal system disorder"
      },
      {
        "ref": "MONDO:0003900",
        "name": "connective tissue disorder"
      }
    ],
    "definition": "A bone osteosarcoma that has metastasized to skeletal or extraskeletal sites."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 4680,
      "label": "bone osteosarcoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        11016,
        20297
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:3376",
          "GARD:0007284",
          "ICD9:170.9",
          "MEDGEN:108437",
          "MedDRA:10031291",
          "NCIT:C53707",
          "OMIM:259500",
          "Orphanet:668",
          "SCTID:307576001",
          "UMLS:C0585442"
        ],
        "synonyms": [
          "bone osteosarcoma",
          "osteosarcoma of bone",
          "osteosarcoma, somatic",
          "osteosarcoma, somatic mutation"
        ],
        "categories": [
          {
            "ref": "MONDO:0002081",
            "name": "musculoskeletal system disorder"
          },
          {
            "ref": "MONDO:0003900",
            "name": "connective tissue disorder"
          }
        ],
        "definition": "A usually aggressive malignant bone-forming mesenchymal neoplasm arising from the bone. It may arise de novo or from a pre-existing lesion of the bone. Pain and a palpable mass are the most frequent clinical sign and symptom. It may spread to other anatomic sites, particularly the lungs."
      },
      "child_count": 10,
      "reference_id": "MONDO:0002629"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 4680,
      "label": "bone osteosarcoma"
    }
  ]
}