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Clinical and pathological features of 30 patients
| Clinical features | Cases (n, %) |
| T stage | |
| T1 | 2, 6.67 |
| T2 | 9, 30.00 |
| T3 | 19, 63.33 |
| N stage | |
| N0 | 9, 30.00 |
| N1 | 21, 70.00 |
| UICC stage | |
| IA | 2, 6.67 |
| IB | 4, 13.33 |
| IIA | 3, 10.00 |
| IIB | 21, 70.00 |
| Differentiation | |
| Poorly differentiated | 9, 30.00 |
| Moderately differentiated | 13, 43.33 |
| Well differentiated | 8, 26.67 |
| Cutting margin | |
| Positive | 4, 13.33 |
| Negative | 26, 86.67 |
| Number of positive lymph nodes | 26 (range, 11-56) |
