has characteristic has characteristic bronchitis chronic obstructive pulmonary disease chronic bronchitis MEDGEN:3084 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. EFO:0006505 bronchitis, chronic ICD9:491 MONDO:0005607 NCIT:C26722 UMLS:C0008677 MESH:D029481 SCTID:63480004 icd11.foundation:290835130 ICD9:491.9 ICD9:491.8 chronic