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
Medulloblastoma exclusively occurs in the:- 
Select and explain. 
A. Medulla, B. Cerebellum, C. Cerebral hemisphere, D. Spinal cord
B: Cerebellum
Answer: B: Cerebellum 
Explanation: MEDULLOBLASTOMA MC malignant brain tumor of childhood: Medulloblastoma Medulloblastoma is most radiosensitive brain tumor MC site : Vermis (75%) MC site in adults: lateral cerebellar hemisphere