This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Trauma, Subject name: Surgery
[{'content': 'Management of medulloblastoma in 1.5 year old. What is not done in curative therapy? \nSelect and explain. \nA. Open surgery with leaving the tumour margins, B. Chemotherapy, C. Total cranial spinal irradination, D. VP shunt for the obstructive hydrocephalus', 'role': 'user'}, {'content': "Answer: A \nExplanation: . Treatment consist of relief of raised intracranial pressure,establishment of pathological diagnosis,removal of beningn tumors,decompressive surgeries for malignant tumor,shunt surgeries to drain CSF_ventriculo peritonial shunt or ventriculo atrial shunt,radiotherapy ,chemotherapy-temozolamide (Ref;SRB's Manual of Surgery,5th edition,pg no. 1105)", 'role': 'assistant'}]