This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': 'All of the following tumors may be malignant except: \nSelect and explain. \nA. Glioma, B. Astrocytoma, C. Hemangioblastoma, D. Ependymoma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Answer is C (Hemangioblastoma) : Cerebellar henzangioblastoma is a benign neoplasm that occurs either sporadically or as pa of Von Hippel - Lindau disease - Chandrasoma Taylor 2nd/933 Clinically presentation is with: - Cerebellar dysfunction - Hydrocephalus - Polycythemia (the tumor produces erythropoetin).Q', 'role': 'assistant'}]