title: Radiologic problem of the month: mass within the cavity of the lung.
mesh_terms: D000328:Adult; D003560:Cysts / Q000000981:diagnostic imaging*; D006801:Humans; D008171:Lung Diseases / Q000000981:diagnostic imaging; D008172:Lung Diseases, Fungal / Q000000981:diagnostic imaging*; D008297:Male; D011859:Radiography