Porolite silicosis.
D001344:Autopsy; D004391:Dust; D004417:Dyspnea / Q000150:complications; D006801:Humans; D008168:Lung / Q000473:pathology; D008297:Male; D008875:Middle Aged; D011859:Radiography; D012829:Silicosis / Q000000981:diagnostic imaging / Q000209:etiology / Q000473:pathology
D004391:Dust