Clinicopathological features | Cases (n) |
---|---|
Age (years) | Â |
 > 60 | 31 |
 ≤ 60 | 29 |
Gender | Â |
 Female | 12 |
 Male | 48 |
TNM stage | Â |
 I–II | 19 |
 III–IV | 41 |
Lymph node metastasis | Â |
 Yes | 34 |
 No | 26 |
Smoking status | Â |
 Yes | 42 |
 No | 18 |
Tumor size (cm) | Â |
 > 5 | 33 |
 ≤ 5 | 27 |