Resection and Reconstruction of the Inferior Vena Cava Using a Tunneled Peritoneal Graft for Renal Tumor With Thrombus: Venous Compensation via the Azygos Vein Following Early Graft Occlusion

采用隧道式腹膜移植片切除并重建下腔静脉治疗肾肿瘤血栓：早期移植片闭塞后经奇静脉代偿