A 48-year-old man with AIDS is admitted to the hospital with a fever of 38.7°C (103°F), persistent cough, and diarrhea. His CD4 cell count is less than 500/μL. The patient is started on broad-spectrum...

A 48-year-old man with AIDS is admitted to the hospital with a fever of 38.7°C (103°F), persistent cough, and diarrhea. His CD4 cell count is less than 500/μL. The patient is started on broad-spectrum antibiotics. He has also experienced a recent decline in cognitive function. He is at increased risk of developing which of the following CNS neoplasms?

(A) Ependymoma

(B) Glioblastoma

(C) Lymphoma

(D) Medulloblastoma

(E) Oligodendroglioma