| Staging |
Standard |
| Primary tumor (T) |
|
| TX |
|
Primary tumor cannot be evaluated |
| T0 |
|
No evidence of primary tumor |
| T1 |
|
Tumor ≤ 7 cm in maximum diameter and confined to the kidney |
|
T1a |
Tumor largest diameter ≤ 4 cm and confined to the kidney |
|
T1b |
4cm < maximum tumor diameter ≤ 7cm and confined to the kidney |
| T2 |
|
Tumor > 7 cm in maximum diameter and confined to the kidney |
|
T2a |
7cm
|
|
T2b |
Tumor confined to the kidney with a maximum diameter >10cm and confined to the kidney |
| T3 |
|
Tumor invades major veins or perinephric tissue but does not invade the ipsilateral adrenal gland and does not exceed the perinephric fascia |
|
T3a |
Tumor invading renal vein or its branching renal segmental veins, or invading renal pelvic system, or invading perirenal fat and/or sinus fat, but not exceeding perirenal fascia |
|
T3b |
Tumor invades the subphrenic vena cava |
|
T3c |
Tumor invading the vena cava superior to the diaphragm or invading the wall of the vena cava |
| T4 |
|
Tumor invades the perirenal fascia, including the ipsilateral adrenal gland adjacent to the tumor |
| NX |
|
Regional lymph nodes could not be evaluated |
| N0 |
|
No metastasis in regional lymph nodes |
| N1 |
|
Regional lymph nodes with metastasis |
| M0 |
|
| No distant metastases |
| M1 |
|
With distant metastases |