| size | 1 - 20 mm (mean 16.3) | |
| T | Tis | 0 |
| T1 | 20 (30.8%) | |
| T2 | 0 | |
| T3 | 45 (69.2%) | |
| T4 | 0 | |
| N | N0 | 48 (73.8%) |
| N1 | 17 (26.2%) | |
| Stage | Stage 0 | 0 |
| Stage IA | 17 (26.2%) | |
| Stage IB | 0 | |
| Stage IIA | 31 (47.7%) | |
| Stage IIB | 17 (26.2%) | |
| Stage III | 0 | |
| Stage IV | 0 | |