{
  "id": 16189,
  "label": "choanal atresia, unilateral",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0015312",
  "properties": {
    "xrefs": [
      "GARD:0019889",
      "MEDGEN:1843076",
      "Orphanet:137917",
      "UMLS:C5680630",
      "icd11.foundation:1247369366"
    ],
    "categories": [
      {
        "ref": "MONDO:0005087",
        "name": "respiratory system disorder"
      },
      {
        "ref": "MONDO:0024623",
        "name": "otorhinolaryngologic disease"
      }
    ],
    "definition": "Unilateral choanal atresia is a, usually sporadic, congenital anomaly that is more commonly seen in females than in males (2:1), where the nose is blocked by bony or soft tissue formed during embryologic development on only one side (more commonly on the right side) and which is characterized by nasal obstruction and rhinorrhea, usually presenting at birth but that may go undetected until a respiratory infection aggravates the condition."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 13218,
      "label": "choanal atresia",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4349,
        18718
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:9574",
          "GARD:0016951",
          "ICD10CM:Q30.0",
          "ICD9:748.0",
          "MEDGEN:3395",
          "MESH:D002754",
          "MedDRA:10008587",
          "OMIM:608911",
          "Orphanet:137914",
          "SCTID:204508009",
          "UMLS:C0008297",
          "icd11.foundation:2099486655"
        ],
        "synonyms": [
          "atresia of nares",
          "PCA",
          "choanal atresia, POSTERIOR"
        ],
        "categories": [
          {
            "ref": "MONDO:0005087",
            "name": "respiratory system disorder"
          },
          {
            "ref": "MONDO:0024623",
            "name": "otorhinolaryngologic disease"
          }
        ],
        "definition": "Choanal atresia (CA) is a congenital anomaly of the posterior nasal airway characterized by the obstruction of one (unilateral) or both (bilateral) choanal aperture(s), with clinical manifestations ranging from acute respiratory distress to chronic nasal obstruction."
      },
      "child_count": 4,
      "reference_id": "MONDO:0012155"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 13218,
      "label": "choanal atresia"
    }
  ]
}