Pathology General 6036d752 Polycythemia is not caused by ? A Renal carcinoma B Liver carcinoma C Cerebellar hemangioma D Lung carcinoma High-Yield Explanation Ans. is 'd' i.e., Lung carcinoma Impoant tumors causing polycythemia are renal cell carcinoma, hepatocellular carcinoma (liver carcinoma) and cerebellar hemangioma.