title: The significance of a blocked bronchus in the assessment of bronchogenic carcinoma.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D001982:Bronchial Diseases / Q000000981:diagnostic imaging; D001995:Bronchography; D002283:Carcinoma, Bronchogenic / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging*; D008297:Male; D008722:Methods; D008875:Middle Aged