The patient is placed supine. The senior surgeon stands on the patient's right side and the first assistant on the left. Pneumoperitoneum is established with the Verres needle (by insufflating at a preset pressure of 12-15mmHg), the 0° or 30° laparoscope is introduced through a supraumbilical 10-mm port, but it can be moved to other ports as needed intraoperatively. Then, two 10-mm trocars and one 12-mm trocar are inserted in the anterior abdominal wall. The table is tilted at a 30° Trendelenburg position and a Babcock forcep (more atraumatic) is used to bring the omentum and transverse colon cephalad to identify the ligament of Treitz.
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