title: Pneumocystis carinii pneumonia presenting as cavitary lung disease.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000175:diagnosis*; D000328:Adult; D003937:Diagnosis, Differential; D006801:Humans; D008171:Lung Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging; D008297:Male; D011020:Pneumonia, Pneumocystis / Q000175:diagnosis*; D011859:Radiography