title: The morphology of emphysema, chronic bronchitis, and bronchiectasis: definition, nomenclature, and classification.
mesh_terms: D000368:Aged; D001987:Bronchiectasis / Q000145:classification / Q000473:pathology*; D001991:Bronchitis / Q000145:classification / Q000473:pathology*; D002648:Child; D002908:Chronic Disease; D006652:Histological Techniques; D006801:Humans; D008168:Lung / Q000473:pathology; D011656:Pulmonary Emphysema / Q000145:classification / Q000473:pathology*; D009626:Terminology as Topic