| Postoperative complications | Timing of postoperative adjuvant chemotherapy | P value | |
| ≤ 2 weeks (n = 75) | 3 - 5 weeks (n =192) | ||
| Reoperation | 2 | 3 | 0.8053 |
| Ileus | 1 | 3 | |
| Wound infection | 0 | 2 | |
| Leak | 1 | 2 | |
| Tenesmus | 0 | 1 | |