| Stage |
TNM |
Description |
| IA |
T1 pN0 M0 |
≤2cm diameter |
| IB |
T1 cN0 M0 |
≤ 2 cm diameter |
| IIA |
T2/3 pN0 M0 |
> 2 cm node negative |
| IIB |
T2/3 cN0 M0 |
> 2 cm node negative |
| IIC |
T4 N0 M0 |
> 2 cm, extracutaneous invasion, node negative |
| IIIA |
Any T N1a M0 |
Any size, microscopic node positive |
| IIIB |
Any T N1b/N2 M0 |
Any size, macroscopic node positive |
| IV |
Any T Any N M1 |
Node positive with metastasis |
|
