Inclusion Criteria:

- Patient 18 years old or more

- Class ASA (American Society of AnaesthesioIogy) I, II or III, +/- E

- Patient willing to participate in the study

- Patient who understands and accepts to sign the informed consent form

- Patient who will undergo elective or urgent colic resection using laparoscopy or
opened surgery defined in section B

Section B: patient must meet one of the following inclusion criterion:

- segmental or total colorectal resection with creation of a primary colo-colic or
colo-rectal anastomosis not protected with a derivation ostomy

- ileal resection in continuity with total or a segment of the colon with creation of a
primary colo-colic or colo-rectal anastomosis not protected with a derivation ostomy

- Closing of a terminal or loop colostomy

Exclusion Criteria:

- Class ASA IV or V patient

- Documented problem of gastro-intestinal motility

- Pregnancy

- Any acute or recent (<10 days) septic event

- Chemotherapy during the 4 weeks preceding surgery

- Previous irradiation surrounding the planned anastomosis location

- Small intestine iatrogenic transparietal laceration done during surgery

- Small intestine synchrone resection without continuity with the colon

- Intra-peritoneal chemotherapy administered during or following surgery

- Presence of residual peritoneal carcinosis at the end of surgery

- Colic surgery associated with another major intra-abdominal surgery

- Creation of a colo-anal or ileo-anal anastomosis

- Any per-surgery discovery which requires the use of a gastric drainage procedure
following surgery

- Any post-surgery change in patient condition which requires naso-gastric tube holding
after surgery