Utilization of Transanal Endoscopy in the Treatment of Anastomotic Stenosis

Laparoscopic or open surgery was selected according to the patient's condition, surgical history and surgeon's experience.According to the extent of the rectal stenosis, the proximal colon was dissected.A circular incision was made above the dentate line and the broken end was sutured. After the intestinal cavity was closed, a single port was inserted through the anus, and a transanal endoscopic platform was established after pneumoperitoneum infusion.The stenotic and scar segments were removed free upward.Through the pelvic cavity and into the abdominal cavity from the bottom up. The narrow rectum and proximal colon were pulled out of the anus through the anus, and the diseased bowel was removed. According to the distance of the remaining distal rectum, stapler or manual anastomosis or Bacon operation was selected.