{
  "id": 2969,
  "label": "sacrum chordoma",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0000518",
  "properties": {
    "xrefs": [
      "DOID:0050900",
      "GARD:0022787",
      "MEDGEN:756688",
      "NCIT:C129927",
      "SCTID:447730004",
      "UMLS:C3164279"
    ],
    "synonyms": [
      "chordoma (disease) of fused sacrum",
      "fused sacrum chordoma (disease)"
    ],
    "categories": [
      {
        "ref": "MONDO:0002081",
        "name": "musculoskeletal system disorder"
      },
      {
        "ref": "MONDO:0003900",
        "name": "connective tissue disorder"
      }
    ],
    "definition": "A chordoma (disease) that involves the fused sacrum."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 3140,
      "label": "vertebral column disorder",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        6893
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:0060564",
          "ICD9:724.9",
          "MEDGEN:52455",
          "MESH:D013122",
          "SCTID:699699005",
          "UMLS:C0037933",
          "icd11.foundation:1989556002"
        ],
        "synonyms": [
          "disease of spine",
          "disease of vertebral column",
          "disease or disorder of vertebral column",
          "disorder of vertebral column",
          "vertebral column disease",
          "vertebral column disease or disorder",
          "spinal disease"
        ],
        "categories": [
          {
            "ref": "MONDO:0002081",
            "name": "musculoskeletal system disorder"
          }
        ],
        "definition": "A disease involving the vertebral column."
      },
      "child_count": 15,
      "reference_id": "MONDO:0000812"
    },
    {
      "id": 4904,
      "label": "spinal chordoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        10236
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:4153",
          "EFO:1000543",
          "GARD:0023291",
          "MEDGEN:347800",
          "NCIT:C5156",
          "UMLS:C1859101"
        ],
        "synonyms": [
          "chordoma of spinal column",
          "chordoma of spine",
          "chordoma of the spinal column",
          "spinal Chordomas",
          "spinal chordoma",
          "spinal column chordoma"
        ],
        "categories": [
          {
            "ref": "MONDO:0002081",
            "name": "musculoskeletal system disorder"
          },
          {
            "ref": "MONDO:0003900",
            "name": "connective tissue disorder"
          }
        ],
        "definition": "A slow-growing malignant bone tumor arising from the remnants of the notochord and occurring in the spine. It is characterized by a lobulated growth pattern, myxoid stroma formation, and the presence of physaliphorous cells."
      },
      "child_count": 1,
      "reference_id": "MONDO:0002894"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 3140,
      "label": "vertebral column disorder"
    },
    {
      "id": 4904,
      "label": "spinal chordoma"
    }
  ]
}