This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous System, Subject name: Pathology
Most common cerebellar tumor in children? 
Select and explain. 
A. Astrocytoma, B. Medulloblastoma, C. Ependymoma, D. PNET
A: Astrocytoma
Answer: A: Astrocytoma 
Explanation: Ans. (a) Astrocytoma(Ref: Robbins 9th/pg 1306: See Ans 69)*Most common pediatric brain tumor-Pilocytic astrocytoma*Most aggressive pediatric brain tumor-Medulloblastoma