Bird fancier's lung.
D000328:Adult; D000542:Alveolitis, Extrinsic Allergic / Q000473:pathology*; D001716:Bird Fancier's Lung / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000473:pathology*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D011859:Radiography