<prompt> Answer this question truthfullyWhat mnemonic can be used to remember the tumors that cause paraneoplastic polycythemia?  <response>: <reason> The mnemonic used to remember the tumors that cause paraneoplastic polycythemia is Paraneoplastic rise to high hematocrit levels, which stands for pheochromocytoma, renal cell carcinoma, hepatocellular carcinoma, hemangioblastoma, and leiomyoma. 