Pulmonary fibrosis in an arc welder.
D004781:Environmental Exposure; D006801:Humans; D008168:Lung / Q000473:pathology; D008171:Lung Diseases / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000175:diagnosis*; D011658:Pulmonary Fibrosis / Q000175:diagnosis*; D011859:Radiography; D013057:Spectrum Analysis; D014397:Tuberculosis, Pulmonary / Q000150:complications; D014896:Welding