{
  "id": 7248,
  "label": "chronic bronchitis",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0005607",
  "properties": {
    "xrefs": [
      "EFO:0006505",
      "ICD9:491",
      "ICD9:491.8",
      "ICD9:491.9",
      "MEDGEN:3084",
      "MESH:D029481",
      "NCIT:C26722",
      "SCTID:63480004",
      "UMLS:C0008677",
      "icd11.foundation:290835130"
    ],
    "synonyms": [
      "bronchitis, chronic"
    ],
    "categories": [
      {
        "ref": "MONDO:0005087",
        "name": "respiratory system disorder"
      }
    ],
    "definition": "A type of chronic obstructive pulmonary disease characterized by chronic inflammation in the bronchial tree that results in edema, mucus production, obstruction, and reduced airflow to and from the lung alveoli. The most common cause is tobacco smoking. Signs and symptoms include coughing with excessive mucus production, and shortness of breath."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 5660,
      "label": "bronchitis",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        3582,
        20781
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "CSP:2596-1500",
          "DOID:6132",
          "EFO:0009661",
          "ICD9:466.0",
          "ICD9:490",
          "ICD9:491",
          "MEDGEN:2736",
          "MESH:D001991",
          "NCIT:C2911",
          "SCTID:32398004",
          "UMLS:C0006277",
          "icd11.foundation:11753425"
        ],
        "synonyms": [
          "bronchial infection",
          "bronchus inflammation",
          "inflammation of bronchus",
          "acute bronchitis",
          "chronic bronchitis",
          "chest cold",
          "chest infection",
          "recurrent wheezy bronchitis"
        ],
        "categories": [
          {
            "ref": "MONDO:0005087",
            "name": "respiratory system disorder"
          }
        ],
        "definition": "An acute or chronic inflammatory process affecting the bronchi."
      },
      "child_count": 4,
      "reference_id": "MONDO:0003781"
    },
    {
      "id": 6740,
      "label": "chronic obstructive pulmonary disease",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4382,
        4630
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:3083",
          "EFO:0000341",
          "ICD9:490-496",
          "ICD9:496",
          "MEDGEN:9818",
          "MESH:D029424",
          "NCIT:C3199",
          "OMIM:606963",
          "SCTID:13645005",
          "UMLS:C0024117",
          "icd11.foundation:133207228"
        ],
        "synonyms": [
          "COLD",
          "COPD",
          "COPD, chronic obstructive pulmonary disease",
          "chronic obstructive airways disease",
          "chronic obstructive lung disease",
          "chronic obstructive pulmonary disease (COPD)",
          "chronic obstructive pulmonary disease, (COPD)",
          "cold",
          "cold (chronic obstructive lung disease)",
          "disease (COPD), chronic obstructive",
          "obstructive lung disease, chronic",
          "obstructive pulmonary disease (COPD), chronic",
          "pulmonary disease (COPD), chronic obstructive"
        ],
        "categories": [
          {
            "ref": "MONDO:0005087",
            "name": "respiratory system disorder"
          }
        ],
        "definition": "A chronic and progressive lung disorder characterized by the loss of elasticity of the bronchial tree and the air sacs, destruction of the air sacs wall, thickening of the bronchial wall, and mucous accumulation in the bronchial tree. The pathologic changes result in the disruption of the air flow in the bronchial airways. Signs and symptoms include shortness of breath, wheezing, productive cough, and chest tightness. The two main types of chronic obstructive pulmonary disease are chronic obstructive bronchitis and emphysema."
      },
      "child_count": 10,
      "reference_id": "MONDO:0005002"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 5660,
      "label": "bronchitis"
    },
    {
      "id": 6740,
      "label": "chronic obstructive pulmonary disease"
    }
  ]
}