“…This review included 39 studies 64,171e208 with mixed results regarding pain. An analgesic benefit favouring the single port technique was demonstrated in 12 of the studies 64,104,172,183,185,192,195,198,200,202,207,208 ; however, 24 studies 171, 174,176,177,179e182,184,186,187,189e191,193,194,196,197,199,201,203e206 showed no significant difference between the two groups. Three studies 173,175,188 showed an analgesic benefit for the traditional laparoscopic cholecystectomy group.…”