Chronic bronchitis and emphysema.
D001991:Bronchitis / Q000175:diagnosis*; D029481:Bronchitis, Chronic; D003937:Diagnosis, Differential; D004646:Emphysema; D006801:Humans; D011656:Pulmonary Emphysema / Q000175:diagnosis*
BRONCHITIS/differential diagnosis; EMPHYSEMA, PULMONARY/differential diagnosis