Related Experiment Video
Updated: Apr 19, 2026

12:45
Robot-assisted Total Mesorectal Excision and Lateral Pelvic Lymph Node Dissection for Locally Advanced Middle-low Rectal Cancer
Published on: February 12, 2022
7.0K
Robotic Rectal Cancer Resection: A Retrospective Multicenter Analysis.
Minia Hellan1, James Ouellette, Jorge A Lagares-Garcia
1Division of Surgical Oncology, Department of Surgery, Wright State University, Dayton, OH, USA, minia.hellan@wright.edu.
Annals of Surgical Oncology
|December 10, 2014
Summary
Robotic rectal cancer surgery is safe and effective, overcoming technical challenges in difficult cases. This minimally invasive approach adheres to oncologic principles, offering a viable option for complex patient profiles.
Area of Science:
- Surgical Oncology
- Minimally Invasive Surgery
- Robotic Surgery
Background:
- Conventional laparoscopy for colorectal resections has limitations, particularly in technically demanding laparoscopic rectal resections.
- Robotic surgery offers solutions to overcome the technical challenges associated with laparoscopic rectal surgery, especially in difficult pelvic cases.
Purpose of the Study:
- To confirm the feasibility of robotic rectal cancer surgery.
- To evaluate robotic tumor-specific mesorectal excision in a large, multicenter setting.
Main Methods:
- Retrospective analysis of 425 patients undergoing robotic tumor-specific mesorectal excision across seven institutions.
- Outcomes analyzed for the overall cohort, stratified by obesity and resection level (low vs. ultra-low).
Main Results:
- Low intraoperative complication rate (4.5%) and positive circumferential margin rate (0.9%).
- Conversion to open surgery rate was 5.9%, with an 8.7% anastomotic leak rate and a 5.7-day mean length of stay.
- Obesity and ultra-low resections were associated with longer operative times, but other outcomes remained comparable.
Conclusions:
- Robotic-assisted minimally invasive surgery for rectal cancer is safe and oncologically sound.
- Robotic surgery is a valuable treatment option for challenging rectal cancer resections.
- Body Mass Index (BMI) has a minimal impact on surgical outcomes.

