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
All of the following tumors are malignant except: 
Select and explain. 
A. Glioma, B. Astrocytoma, C. Hemangioblastoma, D. Ependymoma
C: Hemangioblastoma
Answer: C: Hemangioblastoma 
Explanation: Answer is C (Hemangioblastoma): Cerebellar hemangioblastoina is a benign neoplasm that occurs either sporadically or as pa of Von Hippel - Lindau disease - Chandrasoma Taylor 2"d/933 Clinically presentation is with : - Cerebellar dysfunctionQ - HydrocephalusQ - Polycythemia (the tumor produces erythropoetin).Q