title: Bronchial obstruction in unresolved pneumonia and its differentiation from bronchogenic carcinoma.
mesh_terms: D000328:Adult; D000402:Airway Obstruction / Q000000981:diagnostic imaging* / Q000209:etiology; D001982:Bronchial Diseases / Q000000981:diagnostic imaging*; D001984:Bronchial Neoplasms / Q000000981:diagnostic imaging*; D001991:Bronchitis / Q000000981:diagnostic imaging / Q000209:etiology; D002283:Carcinoma, Bronchogenic / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008875:Middle Aged; D011014:Pneumonia / Q000150:complications*; D011859:Radiography