Tumor characteristics.
| Characteristics | No. of patients (%) |
|---|---|
| T status | |
| T1 | 24 (29.0) |
| T2 | 19 (23.0) |
| T3 | 17 (21.0) |
| T4 | 22 (27.0) |
| Lymph node status | |
| N0 | 37(45.0) |
| N1 | 26 (32.0) |
| N2 | 19 (23.0) |
| Histopathology status | |
| Well differentiation | 24 (29.0) |
| Moderate differentiation | 40 (49.0) |
| Poor differentiation | 18 (22.0) |