Effect of Intravenous Lidocaine on the Tolerability of Early Oral Feeding After Laparoscopic Colorectal Surgery

The purpose of this study is to determine whether intravenous lidocaine increase the tolerability of early oral feeding after laparoscopic colorectal surgery in patients with colorectal cancer.
* Degree of nausea/vomiting.
* Degree of postoperative pain and opioids requirement.
* Time to first flatus, time to first stool, time to tolerance of regular diet, rate of postoperative complications and duration of postoperative hospital stay.