Characteristics | Total = 50 | Percentage (%) |
---|---|---|
Age (years) | Â | Â |
 ≤ 60 | 17 | 34.0 |
 > 60 | 33 | 66.0 |
Sex | Â | Â |
 Male | 34 | 68.0 |
 Female | 16 | 32.0 |
Tumor size (cm) | Â | Â |
 ≤ 1 | 6 | 12.0 |
 1–2 | 13 | 26.0 |
 > 2 | 31 | 62.0 |
TNM stage | Â | Â |
 I–II | 21 | 45.7 |
 III–IV | 29 | 54.3 |
Differentiation | Â | Â |
 Well | 6 | 12.0 |
 Moderate | 21 | 42.0 |
 Poor | 23 | 46.0 |
Lymphovascular invasion | Â | Â |
 Yes | 27 | 54.0 |
 No | 23 | 46.0 |
Lymph node metastasis | Â | Â |
 Yes | 31 | 62.0 |
 No | 19 | 38.0 |