Gilbert Schreiber, MD, PhD

A 49-year-old man presented to theemergency department (ED) andcomplained of fever and cough thatproduced bloody sputum for 1 day.He had AIDS and recently receiveda diagnosis of large B-cell lymphoma.His most recent CD4+ cellcount was 24/µL. He had optedagainst receiving highly active antiretroviraltherapy and prophylaxisfor opportunistic infection.