Rheumatoid lung disease.
D001172:Arthritis, Rheumatoid / Q000150:complications*; D002205:Caplan Syndrome / Q000453:epidemiology; D005260:Female; D006801:Humans; D008171:Lung Diseases / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged; D010995:Pleural Diseases / Q000453:epidemiology; D010996:Pleural Effusion / Q000453:epidemiology; D011658:Pulmonary Fibrosis / Q000453:epidemiology; D013902:Radiography, Thoracic; D012218:Rheumatoid Nodule / Q000453:epidemiology