ALM To improve the surgical treatment of renal cell carcinoma (RCC)with inferior vena cava (IVC)tumor thrombus.

• 目的提高肾癌(RCC)伴下腔静脉(IVC)癌栓的手术治疗效果。方法对4例RCC伴IVC癌栓患者在施行肾癌根治性切除。