Primary tumor (T) |
T category | T criteria |
TX | Primary tumor cannot be assessed |
T0 | No evidence of primary tumor |
T1 | Tumor ≤5 cm in greatest dimension, no extra-adrenal invasion |
T2 | Tumor >5 cm, no extra-adrenal invasion |
T3 | Tumor of any size with local invasion but not invading adjacent organs |
T4 | Tumor of any size that invades adjacent organs (kidney, diaphragm, pancreas, spleen, or liver) or large blood vessels (renal vein or vena cava) |
Regional lymph nodes (N) |
N category | N criteria |
NX | Regional lymph nodes cannot be assessed |
N0 | No regional lymph node metastasis |
N1 | Metastasis in regional lymph node(s) |
Distant metastasis (M) |
M category | M criteria |
M0 | No distant metastasis |
M1 | Distant metastasis |
Prognostic stage groups |
When T is... | And N is... | And M is... | Then the stage group is... |
T1 | N0 | M0 | I |
T2 | N0 | M0 | II |
T1 | N1 | M0 | III |
T2 | N1 | M0 | III |
T3 | Any N | M0 | III |
T4 | Any N | M0 | III |
Any T | Any N | M1 | IV |