Stage | Sites | Tumor stage invasiveness | T stage size | N | M |
1 | Orbit Head and neck* Genitourinary¶ Biliary tract | T1 or T2 | a or b | Any N | M0 |
2 | Bladder/prostate Extremity Cranial parameningeal OtherΔ | T1 or T2 | a | N0 or NX | M0 |
3 | Bladder/prostate Extremity Cranial parameningeal OtherΔ | T1 or T2 | a | N1 | M0 |
b | Any N | ||||
4 | All | T1 or T2 | a or b | N0 or N1 | M1 |
T: Tumor stage | N: Regional nodes | M: Metastases | |||
T1: Confined to anatomic site of origin T2: Extension a: ≤5 cm in diameter b: >5 cm in diameter | N0: Not clinically involved N1: Clinically involved NX: Clinical status unknown | M0: No distant metastases M1: Distant metastases present |
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