|
T1
|
Tumor ≤ 7 cm and confined to the kidney
|
|
• T1a
|
• Tumor ≤ 4 cm
|
|
• T1b
|
• Tumor > 4 cm but ≤ 7 cm
|
|
T2
|
Tumor > 7 cm and confined to the kidney
|
|
• T2a
|
• Tumor > 7 cm but ≤ 10 cm
|
|
• T2b
|
• Tumor > 10 cm but confined to the kidney
|
|
T3
|
Tumor extension into major veins or perinephric tissues but not into ipsilateral adrenal gland or beyond Gerota’s fascia
|
|
• T3a
|
• Tumor grossly extends into the renal vein or its segmental (muscle containing) or tumor invades perirenal and/or renal sinus fat but not beyond Gerota’s fascia
|
|
• T3b
|
• Tumor grossly extends into the vena cava below the diaphragm
|
|
• T3c
|
• Tumor grossly extends into the vena cava above the diaphragm or invades the wall of the vena cava
|
|
T4
|
Tumor invades ipsilateral adrenal gland or extends through Gerota’s fascia
|
|
N0
|
No regional lymph node metastases
|
|
N1
|
Metastases to regional lymph nodes
|
|
M0
|
No distant metastases
|
|
M1
|
Distant metastases
|
