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Related Experiment Video

Updated: May 21, 2026

Clinical Application of Single-Surgeon, Three-Port, Laparoscopic Resection for Colorectal Cancer with Natural Orifice Specimen Extraction

Clinical Application of Single-Surgeon, Three-Port, Laparoscopic Resection for Colorectal Cancer with Natural Orifice Specimen Extraction

Published on: March 24, 2023

Multivisceral resections for rectal cancer.

J D Smith¹, G M Nash, M R Weiser

¹Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York 10065, USA.

The British Journal of Surgery

|June 15, 2012

Summary

En bloc resection of adjacent organs in rectal cancer surgery is necessary for clear margins. Achieving complete resection (R0) significantly improves survival and reduces local recurrence, demonstrating good oncological outcomes.

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Area of Science:

Surgical Oncology
Gastrointestinal Surgery
Rectal Cancer Treatment

Background:

En bloc resection of adjacent pelvic organs may be required for clear surgical margins in rectal cancer.
This study reports institutional experience with perioperative morbidity and oncological outcomes of such resections.

Purpose of the Study:

To evaluate the perioperative morbidity and oncological outcomes of en bloc resection of adjacent pelvic organs in rectal cancer surgery.
To identify factors associated with local recurrence and overall survival in patients undergoing extensive rectal cancer resection.

Main Methods:

Retrospective analysis of a prospectively collected institutional database (1992-2010).
Inclusion of 1831 rectal cancer patients, with a focus on the 124 who underwent en bloc resection of adjacent organs.
Comparison of survival and recurrence rates using log-rank and Cox regression analysis.

Main Results:

124 patients (6.8%) underwent en bloc resection involving various pelvic organs.
Five-year overall survival was 53.3%, with a local recurrence rate of 18.8%.
Complete resection (R0) was strongly associated with reduced local recurrence (15% vs 69% for R1) and improved overall survival, alongside sphincter-preserving surgery and absence of metastasis.

Conclusions:

En bloc resection for locally advanced rectal cancer can achieve favorable oncological outcomes.
Complete resection (R0) is a critical factor for minimizing local recurrence and enhancing survival.
The procedure is associated with acceptable perioperative morbidity, with a low postoperative mortality rate.