Laparoendoscopic single-site surgery in gynecology: LESS is actually how much less?

Gynecological surgery is evolving continuously. Laparoendoscopic single-site surgery (LESS) is the recent addition in this field that stands to benefit almost 40% of women in midlife who will eventually undergo adnexal surgery or hysterectomy. Carried out through a single umbilical incision, the potential benefit of single site surgery is improvement in operative morbidity and cosmesis. The safety, feasibility and efficacy of laparoendoscopic single site procedures have been established in studies over the last few years. In this article, we will review the nomenclature, instruments, and the evidence around the commonly performed gynecologic surgeries using the LESS procedure.