title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 49-1984. A 64-year-old man with rheumatoid arthritis and cavitary pulmonary disease.
mesh_terms: D001424:Bacterial Infections / Q000175:diagnosis / Q000188:drug therapy / Q000473:pathology*; D001980:Bronchi / Q000473:pathology; D003937:Diagnosis, Differential; D004917:Erythromycin / Q000627:therapeutic use; D006801:Humans; D007875:Legionella; D008168:Lung / Q000000981:diagnostic imaging; D008169:Lung Abscess / Q000175:diagnosis / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D009617:Nocardia Infections / Q000175:diagnosis; D011014:Pneumonia / Q000175:diagnosis / Q000188:drug therapy / Q000473:pathology*; D011859:Radiography; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis
chemical_list: D004917:Erythromycin