title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 27-1978.
mesh_terms: D000190:Actinomyces / Q000302:isolation & purification; D000196:Actinomycosis / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000473:pathology*; D000368:Aged; D003937:Diagnosis, Differential; D006801:Humans; D008171:Lung Diseases / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000473:pathology*; D008297:Male; D011859:Radiography