Table 4.
Pathology results
| Characteristics | LCA preservation (n = 60) | LCA nonpreservation (n = 60) | P value |
|---|---|---|---|
| Tumor differentiation, n (%) | 0.765 | ||
| Low | 3 (5.0) | 2 (3.3) | |
| Middle | 54 (90.0) | 55 (91.7) | |
| High | 3 (5.0) | 3 (5.0) | |
| Pathological T stage, n (%) | 0.447 | ||
| 0 | 5 (8.3) | 5 (8.3) | |
| 1 | 4 (6.7) | 5 (8.3) | |
| 2 | 18 (30.0) | 11 (18.3) | |
| 3 | 21 (35.0) | 25 (41.7) | |
| 4 | 12 (20.0) | 14 (23.4) | |
| Pathological N stage, n (%) | 0.589 | ||
| 0 | 41 (68.3) | 40 (66.6) | |
| 1 | 15 (25.0) | 10 (16.7) | |
| 2 | 4 (6.7) | 10 (16.7) | |
| Number of harvested LNs | 13.1 ± 5.8 | 13.8 ± 4.4 | 0.456 |
| Number of positive LNs | 0.9 ± 1.9 | 1.2 ± 2.1 | 0.345 |
| DRM positive, n (%) | 0 (0.0) | 0 (0.0) | 1.000 |
| CRM positive, n (%) | 3 (5.0) | 4 (6.7) | 1.000 |
| Lymphovascular invasion, n (%) | 1.000 | ||
| Absent | 48 (80.0) | 48 (80.0) | |
| Present | 12 (20.0) | 12 (20.0) | |
| Perineural invasion, n (%) | 0.838 | ||
| Absent | 44 (73.3) | 43 (71.7) | |
| Present | 16 (26.7) | 17 (28.3) |
LCA left colic artery; LNs lymph nodes; DRM distal resection margin; CRM circumferential resection margin