Inclusion Criteria:

- • Patients between 20 - 80 years old

- Class ASA (American Society of Anesthesiology) 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 colorectal resection using laparoscopic
surgery defined as follows: patients who received one of the following
surgery:right hemicolectomy, left hemicolectomy, anterior resection with primary
anastomosis, and low anterior resection with loop ileostomy for fecal diversion

Exclusion Criteria:

- • Class ASA IV or V patient

- Documented problem of gastro-intestinal motility

- Combined resection of other organ than the colorectum

- Presence of obstructive colorectal cancer associated with dilatation of the
proximal gastrointestinal tract

- Presence of residual peritoneal carcinosis at the end of surgery

- Previous history of intra-abdominal surgery except simple appendectomy,
cholecystectomy, or hysterectomy for uterine myoma

- Creation of colo-rectal, colo-anal or ileo-anal anastomosis without loop
ileostomy

- 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