This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: CNS Tumors, Subject name: Surgery
The intracranial tumor most likely to be encountered in a middle-aged man with the acquired immunodeficiency syndrome (AIDS) is: 
Select and explain. 
A. Glioblastoma multiforme, B. Ependymoma, C. Meningioma, D. Lymphoma
D: Lymphoma
Answer: D: Lymphoma 
Explanation: DISCUSSION: Primary intracranial lymphomas occur with increased frequency in patients who are immunocompromised, such as recipients of organ transplants and patients with AIDS.