This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Polycythemia, Subject name: Medicine
[{'content': 'Tumor associated with polycythemia is: \nSelect and explain. \nA. Sarcoma, B. Pituitary adenoma, C. Cerebellar hemangioblastoma, D. None of the above.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. Cerebellar hemangioblastomaTumors of kidney, liver, lung, uterus & cerebellum are associated with PV.a. Renal cystsb. Hypernephromac. Hepatomad. Pheochromocytomae. Uterine fibromyomaf. Cerebellar hemangioblastoma', 'role': 'assistant'}]