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Updated: Feb 8, 2026

Robot-assisted Total Mesorectal Excision and Lateral Pelvic Lymph Node Dissection for Locally Advanced Middle-low Rectal Cancer
Published on: February 12, 2022
Totally Robotic Versus Totally Laparoscopic Surgery for Rectal Cancer
Eren Esen1, Erman Aytac1, Orhan Ağcaoğlu2
1Department of General Surgery, School of Medicine, Acibadem Mehmet Ali Aydinlar University.
Abstract:
In this study, perioperative and short-term postoperative results of totally robotic versus totally laparoscopic rectal resections for cancer were investigated in a comparative manner by considering risk factors including obesity, male sex, and neoadjuvant treatment. In addition to overall comparison, the impact of sex, obesity (body mass index ≥30 kg/m), and neoadjuvant treatment was assessed in patients who had a total mesorectal excision (TME). Operative time was longer in the robotic group (P<0.001). In obese patients who underwent TME, the mean length of hospital stay was shorter (7±2 vs. 9±4 d, P=0.01), and the mean number of retrieved lymph nodes was higher (30±19 vs. 23±10, P=0.02) in the robotic group. Totally robotic and totally laparoscopic surgery appears to be providing similar outcomes in patients undergoing rectal resections for cancer. Selective use of a robot may have a role for improving postoperative outcomes in some challenging cases including obese patients undergoing TME.
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