title: Pulmonary alveolar microlithiasis.
mesh_terms: D000328:Adult; D002114:Calcinosis / Q000000981:diagnostic imaging* / Q000209:etiology; D006801:Humans; D008171:Lung Diseases / Q000000981:diagnostic imaging* / Q000209:etiology; D008297:Male; D011650:Pulmonary Alveoli / Q000000981:diagnostic imaging*; D011859:Radiography