Renal vein or inferior vena caval extension in patients with renal cortical tumors: Impact of tumor histology
Carcinoma, Renal Cell
Vena Cava, Inferior
Conventional RCC is associated with an increased risk, and oncocytoma and papillary histology are associated with a decreased risk of renal vein or IVC extension. Renal vein or IVC extension alone does not impart a worse prognosis independent of tumor size, nodal status and histology.