title: Pulmonary alveolar microlithiasis.
mesh_terms: D002114:Calcinosis / Q000000981:diagnostic imaging* / Q000473:pathology; D006801:Humans; D008171:Lung Diseases / Q000000981:diagnostic imaging* / Q000473:pathology; D008297:Male; D008875:Middle Aged; D011650:Pulmonary Alveoli / Q000473:pathology; D011859:Radiography