title: Case for diagnosis: a lung mass in an asymptomatic man. Pericardial cyst.
mesh_terms: D000328:Adult; D003560:Cysts / Q000000981:diagnostic imaging*; D006331:Heart Diseases / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D010496:Pericardium / Q000000981:diagnostic imaging; D011859:Radiography