Table 5.
Comparison of the pathological factors according to the extent of lymph node dissection
| Variable | LND (-) | LN sampling | Regional LND | P value |
| Cirrhosis | 0.439 | |||
| Yes | 17 | 13 | 18 | |
| No | 18 | 9 | 10 | |
| Gross type | 0.617 | |||
| MF | 24 | 17 | 22 | |
| PI + IG | 11 | 5 | 6 | |
| Differentiation | 0.478 | |||
| Well or Moderate | 25 | 15 | 23 | |
| Poor | 10 | 7 | 5 | |
| Capsule formation | 0.931 | |||
| Yes | 14 | 8 | 10 | |
| No | 21 | 14 | 18 | |
| Tumor number | 0.512 | |||
| Single | 27 | 14 | 18 | |
| Multiple | 8 | 8 | 10 | |
| Tumor size | 0.145 | |||
| < 5 cm | 21 | 12 | 10 | |
| ≥ 5 cm | 14 | 10 | 18 | |
| Pathologica LN metastasis | 0.085 | |||
| Yes | NA | 2 | 9 | |
| No | NA | 20 | 19 | |
| Vascular invasion | 0.181 | |||
| Yes | 2 | 3 | 6 | |
| No | 33 | 19 | 22 |
MF: Mass-forming; PI: Periductal infiltrating; IG: Intraductal growth; LN: Lymph node; LND: Lymph node dissection; NA: Not available.