“…1,3,4,6,8,9 Pain is multifactorial and complex, and may originate from incision, the resection, peritoneal irritants such as bile and blood, carbon dioxide insufflations, and residual gas. 1,3,4,8,10,11 Also, preventive analgesia, acting through different mechanisms, could reduce central sensitization and postoperative pain. Multimodal analgesia is thought to be more efficient.…”