title: Prolonged cavitating pneumonia in a patient with serologic evidence of Legionnaires' disease.
mesh_terms: D000368:Aged; D002908:Chronic Disease; D006801:Humans; D007877:Legionnaires' Disease / Q000150:complications* / Q000276:immunology; D008297:Male; D011014:Pneumonia / Q000000981:diagnostic imaging / Q000209:etiology*; D011859:Radiography