[Silicosis leading to the development of right middle lobe atelectasis--report of 3 cases].
D000328:Adult; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008875:Middle Aged; D010998:Pleurisy / Q000000981:diagnostic imaging; D001261:Pulmonary Atelectasis / Q000000981:diagnostic imaging / Q000209:etiology*; D011859:Radiography; D012829:Silicosis / Q000150:complications*