title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 35-1995. A 55-year-old disabled construction worker with increasing dyspnea and abnormal chest radiographs.
mesh_terms: D004417:Dyspnea / Q000209:etiology; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D011859:Radiography; D017640:Silicates / Q000009:adverse effects; D012829:Silicosis / Q000000981:diagnostic imaging / Q000209:etiology / Q000473:pathology*
chemical_list: D017640:Silicates