title: Clinical quiz. An elderly man with shortness of breath and abnormal chest x-ray.
authors.affiliation: Department of Medicine, Hamad General Hospital, PO Box 3050, Doha, Qatar. yassin160@yahoo.co.uk
authors.forename: Mohammed A
authors.initials: MA
authors.lastname: Yassin
mesh_terms: D000368:Aged; D004417:Dyspnea / Q000209:etiology*; D006801:Humans; D008297:Male; D011859:Radiography; D012133:Respiratory Paralysis / Q000150:complications* / Q000000981:diagnostic imaging*