| LV space | Lymph node affection | Total | |||
| Negative | Positive lymph node affection | ||||
| No. | % | No. | % | ||
| Negative | 35 | 77.8 | 1 | 20.0 | 36 |
| Positive | 10 | 22.2 | 4 | 80.0 | 14 |
| Total | 45 | 100.0 | 5 | 100.0 | 50 |
| X2 | 7.451 |
| |||
| p | 0.018* |
| |||