Table 35.6. Stage grouping
| Table 35.6. Stage grouping. | |||
| Occult carcinoma | T | N | M |
| Stage 0 | Tis | N0 | M0 |
| Stage I | T1 | N0 | M0 |
| T2 | N0 | M0 | |
| Stage II | T1 | N1 | M0 |
| T2 | N1 | M0 | |
| T3 | N0 | M0 | |
| Stage IIIA | T1 | N2 | M0 |
| T2 | N2 | M0 | |
| T3 | N1, N2 | M0 | |
| Stage IIIB | Any T | N3 | M0 |
| T4 | Any N | M0 | |
| Stage IV | Any T | Any N | M1 |