| Operative procedures | Post operative | |||
| Suite simples | Surgical site infection | Digestive fistula | Post operative evisceration | |
| Section of the flange | 91 | 2 | 0 | 1 |
| Flange resection and adhesiolysis | 40 | 1 | 0 | 0 |
| adhesiolysis | 20 | 0 | 0 | 0 |
| Flange resection and anastomosis resection | 9 | 2 | 1 | 1 |
| Resection of the flange and ileostomy | 2 | 0 | 0 | 0 |
| Total | 152 | 5 | 1 | 2 |