Short Term Outcomes of Robotic-assisted Intersphincteric Resection for Low Rectal Cancer

Short Term Outcomes of Robotic-assisted Intersphincteric Resection for Low Rectal Cancer:A Multicentric Randomized Controlled Trial

This study compared robot-assisted total mesorectal excision to treat very low rectal cancer within 2 cm from the dentate line to avoid permanent colostomy. improves the quality of life with better defecation function, urinary function and sexual function.

Inclusion Criteria:

1. 18 years < age < 80 years
2. Matching the diagnostic criteria;
3. tumor located 3 cm from anal verge
4. Clinically diagnosed cT1-3N0-2 M0 lesions
5. Tumor size of 4 cm or less
6. ASA 1-3 scores;
7. ECOG score is 0-1;
8. Adequate preoperative sphincter function

Exclusion Criteria:

1. Requiring a Mile's procedure
2. Fecal incontinence;
3. Previous abdominal surgery
4. Severe mental disease.
5. Intolerance of surgery for severe comorbidities
6. Emergency operation due to complication
7. Pregnant woman or lactating woman