Surgical Technique
All operations were performed using the standard transperitoneal lateral laparoscopic approach. The patients were placed right lateral decubitis position for left LA, while they were placed right lateral decubitis position for left LA. Pneumoperitoneum was established using a Veress needle technique, and four trocars were used for both right and left LA. The intraperitoneal pressure was adjusted to 12 mmHg during the surgery.