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 CNS tumor present with calcification: 
Select and explain. 
A. Oligodendroglioma, B. Astrocytoma, C. Medulloblastoma, D. Pheochromocytoma
A: Oligodendroglioma
Answer: A: Oligodendroglioma 
Explanation: Oligodendroglioma is associated with calcification. BT associated with calcification (COM):CraniopharyngiomaQ (most) > ODGQ (90%) > MeningiomaQ (20-25%)