title: Infection due to Pneumocystis carinii simulating lobar bacterial pneumonia.
mesh_terms: D000368:Aged; D001314:Auscultation; D001424:Bacterial Infections / Q000175:diagnosis* / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D011018:Pneumonia, Pneumococcal / Q000175:diagnosis* / Q000000981:diagnostic imaging; D011020:Pneumonia, Pneumocystis / Q000175:diagnosis* / Q000000981:diagnostic imaging; D011859:Radiography