Variables | Cases (n) |
---|---|
Age (years) | Â |
 ≤ 60 | 26 |
 > 60 | 9 |
Sex | Â |
 Female | 21 |
 Male | 14 |
Differentiation | Â |
 High | 11 |
 Medium or low | 24 |
T Staging | Â |
 T1 + T2 | 20 |
 T3 + T4 | 15 |
Cervical lymph node metastasis | Â |
 N0 | 27 |
 N +  | 8 |
Distant metastasis | Â |
 M0 | 34 |
 M1 | 1 |
Smoking | Â |
 Yes | 21 |
 No | 14 |