Table I.
Factors | Patients with recurrence after surgery (n=3) | Patients without recurrence after surgery (n=3) |
---|---|---|
Tumor size, cm | ||
<3 | 0 | 0 |
≥3 | 3 | 3 |
Lymph node metastasis | ||
n (−) | 0 | 0 |
n (+) | 3 | 3 |
Lymphatic invasion | ||
Ly (−) | 0 | 0 |
Ly (+) | 3 | 3 |
Venous invasion | ||
V (−) | 0 | 0 |
V (+) | 3 | 3 |
Histological type | ||
Adenocarcinoma | 2 | 2 |
Squamous cell carcinoma | 1 | 1 |
Tumor differentiation | ||
Well | 0 | 0 |
Moderate | 2 | 2 |
Poor | 1 | 1 |
TNM stage | ||
I | 0 | 0 |
II | 0 | 0 |
III | 3 | 3 |
TNM, tumor-node-metastasis.