肾细胞癌 (RCC)伴下腔静脉 (IVC)癌栓的诊断主要靠影像学检查 ,能否手术取决于是否伴远处转移或局部淋巴结转移 ,对未发现远处转移或局部淋巴结转移者 ,应予积极手术切除 ,手术方法的选择取决于癌栓在下腔静脉的延伸程度和是否侵犯腔静脉壁 ,若术中能取尽癌栓 ,可明显提高患者的术后 5年生存率 Renal cell carcinoma (RCC) with IVC tumor thrombus diagnosis mainly rely on imaging examination, whether surgery depends on whether with distant metastasis or local lymph node metastasis, no distant metastasis or no local lymph node metastasis, Should be actively removed, the choice of surgical methods depends on the extent of tumor thrombus in the inferior vena cava extension and whether the invasion of vena cava wall, if the tumor can be done to remove the thrombus can significantly improve the patient’s 5-year survival rate