Clinical efficacy and pathological outcomes of transanal endoscopic intersphincteric resection for low rectal cancer.

Background: Transanal endoscopic intersphincteric resection (ISR) surgery currently lacks sufficient clinical research and reporting.

Aim: To investigate the clinical effectiveness of transanal endoscopic ISR, in order to promote the clinical application and development of this technique.

Methods: This study utilized a retrospective case series design.