title: The prognostic value of radiological classification in cases of progressive massive fibrosis.
mesh_terms: D003032:Coal Mining; D006801:Humans; D011009:Pneumoconiosis / Q000000981:diagnostic imaging*; D011666:Pulmonary Valve Stenosis / Q000000981:diagnostic imaging*; D011859:Radiography; D011871:Radiology
keywords: COAL MINING; PNEUMOCONIOSIS/radiography; PULMONARY STENOSIS/radiography