| Occult carcinoma | Tx | N0 | M0 |
| Stage 0 | Tis | ||
| Stage IA | T1a–T1b | N0 | M0 |
| Stage IB | T2a | N0 | M0 |
| Stage IIA | T1a–T2a | N1 | M0 |
| T2b | N0 | M0 | |
| Stage IIB | T2b | N1 | M0 |
| T3 | N0 | M0 | |
| Stage IIIA | T1a–T3 | N2 | M0 |
| T3 | N1 | M0 | |
| T4 | N0–N1 | M0 | |
| Stage IIIB | T4 | N2 | M0 |
| T1a–T4 | N3 | M0 | |
| Stage IV | Any T | Any N | M1a or M1b |