{
  "id": 5757,
  "label": "periosteal osteogenic sarcoma",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0003895",
  "properties": {
    "xrefs": [
      "DOID:6489",
      "GARD:0023719",
      "ICDO:9193/3",
      "MEDGEN:234607",
      "NCIT:C8970",
      "ONCOTREE:PEOS",
      "UMLS:C1377843"
    ],
    "synonyms": [
      "juxtacortical chondroblastic osteosarcoma",
      "periosteal osteosarcoma",
      "periosteal osteosarcoma (morphologic abnormality)",
      "PEOS"
    ],
    "categories": [
      {
        "ref": "MONDO:0002081",
        "name": "musculoskeletal system disorder"
      },
      {
        "ref": "MONDO:0003900",
        "name": "connective tissue disorder"
      }
    ],
    "definition": "An intermediate grade malignant bone-forming mesenchymal neoplasm with chondroblastic differentiation. It arises from the surface of the bone and affects the diaphysis or diaphyseal- metaphyseal portion of the long bones. A painless mass or swelling is the most common clinical sign. It is associated with a better prognosis than conventional osteosarcoma."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 4679,
      "label": "peripheral osteosarcoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4680
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:3374",
          "GARD:0023196",
          "MEDGEN:272379",
          "NCIT:C7134",
          "UMLS:C1332591"
        ],
        "synonyms": [
          "bone surface (peripheral) osteosarcoma",
          "peripheral osteosarcoma",
          "surface osteosarcoma"
        ],
        "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 surface of the bone."
      },
      "child_count": 3,
      "reference_id": "MONDO:0002628"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 4679,
      "label": "peripheral osteosarcoma"
    }
  ]
}