Clinical and pathological characteristics of the patients
| Parameter | No. of cases (%) |
|---|---|
| Sex | |
| Male | 66 (48) |
| Female | 71 (52) |
| T | |
| T1 | 2 (2) |
| T2 | 2 (2) |
| T3 | 107 (78) |
| T4 | 26 (19) |
| N | |
| N0 | 41 (30) |
| N1 | 96 (70) |
| Tumour stage | |
| IA | 1 (1) |
| IB | 2 (2) |
| IIA | 31 (23) |
| IIB | 69 (50) |
| III | 17 (12) |
| IV | 17 (12) |
| Tumour grade | |
| G1 | 17 (12) |
| G2 | 93 (68) |
| G3 | 27 (20) |
| Perineural infiltration | |
| Yes | 72 (53) |
| No | 65 (47) |