Non-tuberculous "sterile" cavities in pneumoconiosis with massive tumor-like lung opacities in coal miners.
D000368:Aged; D003032:Coal Mining; D006801:Humans; D008297:Male; D008875:Middle Aged; D011009:Pneumoconiosis / Q000000981:diagnostic imaging*; D011658:Pulmonary Fibrosis / Q000000981:diagnostic imaging*; D011859:Radiography