The reduced-port approach can overcome the limitations of single-incision laparoscopic surgery while maintaining its advantages. Here, we compared the effects of robotic reduced-port surgery and conventional laparoscopic approaches for left-sided colorectal cancer.Laparoscopic colorectal cancer surgery is safe and effective, affording better postoperative recovery than open surgery. However, conventional laparoscopic colorectal cancer surgery usually requires four or more ports for manipulation as well as an extended incision for specimen retrieval. Each trocar increases the risks of pain, bleeding, and trocar site hernia and negatively impacts cosmesis. Single-incision laparoscopic surgery (SILS) was introduced with the rationale of using relatively few trocars to resolve these limitations. 

When safely performed by experienced surgeons, SILS has short-term outcomes comparable to those of conventional laparoscopic surgery. SILS for left-sided colorectal cancer, however, is technically challenging. Creating triangulation and applying laparoscopic staplers from the umbilicus to transect the bowel in the pelvic cavity with an adequate margin are difficult, increasing the operative time and complication rate. It also increases the conversion rate to 12%–17%. To resolve these limitations, a single-incision plus one port or a reduced-port approach has been introduced. Here, the additional port can reduce the technical difficulties and improve operative efficiency but can prolong training and warrant self-adjustment.

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Mishita
Jornal co-ordinator
Journal of General Surgery Reports