Related Experiment Video
Updated: Aug 2, 2025
Robot-assisted Total Mesorectal Excision and Lateral Pelvic Lymph Node Dissection for Locally Advanced Middle-low Rectal Cancer
Published on: February 12, 2022
[Short-Term and Long-Term Results of Robot-Assisted Rectal Resections Performed in Our Department]
Hideki Gon1, Junichi Mazaki, Tetsuo Ishizaki
1Dept. of Gastrointestinal and Pediatric Surgery, Tokyo Medical University.
Background:
We introduced the da Vinci robotic surgical system in 2006 for the first time in Japan, and have been performing robot-assisted rectal cancer surgeries since 2010, after receiving approval from the hospital's Ethics Review Committee in 2009. Here we report the long-term and short-term outcomes of robot-assisted rectal cancer surgeries performed in our department.
Methods:
Target patients were those who underwent robot-assisted radical rectal resection for rectal cancer; 165 patients in the short term(2010-2021), and 49 patients in the long term(2010-2016). Data were retrospectively analyzed, and Kaplan-Meier curves were used for the survival analysis.
Results:
The short-term results are summarized in Table 1. The long-term results were as follows: 5-year overall survival rate, 90.8%; 5-year recurrence-free survival rate, 90.6%; 5-year cumulative local recurrence rate, 7.3%; 5-year cumulative distant metastasis rate, 9.4%.
Conclusion:
In our department, 11 years have passed since we began performing robotic rectal surgeries, and the short- and long-term results have generally been acceptable.
