ocr: TABLE 32.2-5. TNM Classitication- - Kidney PRIMARY TUMOR TX Minimum requirements cannot be met TO No evidence of primary tumor Tl Small tumor, minimal renal and calyceal distortion of deformity; circumscribed neovasculature surrounding by normal parenchyma T2 Large tumor with deformity or enlargement of kidney or collecting system T3a* Tumor involving perinephric tissues T3b* Tumor involving renal vein T3c* Tumor involving renal vein and infradiaphragmatic vena cava T4a Tumor invasion of neighboring structures (e.g., muscle, bowel) T4b Tumor involving supradiaphragmatic vena cava NODE INVOLVEM ...
