Variable | Number | |
Lymph node status | N0 | 32 |
N | 38 | |
TNM staging | I | 3 |
II | 38 | |
III | 29 | |
Histological grading | 1 | 9 |
2 | 37 | |
3 | 24 | |
Tumor size | T1 | 5 |
T2 | 47 | |
T3 | 18 | |
Age | <50 years | 37 |
≥50 years | 33 |