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| Tumor | |
| Size (cm) | 3.0 (1-15) |
| Differentiation: | |
| Well differentiated | 6 |
| Moderate | 27 |
| Undifferentiated | 5 |
| pT | |
| T1 | 2 |
| T2 | 9 |
| T3 | 26 |
| T4 | 1 |
| Margins | |
| pR0 | 23 |
| pR1 | 15 |
| Lymph nodes | |
| Dissected | 8 (1-23) |
| pN0 | 23 |
| pN+ | 15 |
| Angiolymphatic invasion | |
| N0ALI- | 9 |
| N0ALI+ | 14 |
| N+ALI+ | 15 |
| Perineural invasion | |
| Yes | 31 |
| No | 7 |
