Table 1 TNM and clinical stage of all cases
T stage | T1 | T2 | T3 | T4 | Â |
| Â | 11 (22.00%) | 9 (18.00%) | 13 (26.00%) | 17 (34.00%) | Â |
N stage | N0 | N1 | N2 | N3a | Â |
| Â | 0 | 24 (48.00%) | 21 (42.00%) | 5 (10.00%) | Â |
M stage | M0 | M1 | Â | Â | Â |
| Â | 52 (100%) | 0 | Â | Â | Â |
Clinical stage | Stage I | Stage II | Stage III | Stage IVa | Stage IVb |
| Â | 0 | 10 (20.00%) | 19 (38.00%) | 21 (42.00%) | 0 |