Robotic-assisted proctosigmoidectomy for Hirschsprung’s disease: A multicenter prospective study

Figure 3 Diagram of pelvic dissection planes and intraoperative images of pelvic dissection. A: Pelvic dissection plane of robotic-assisted proctosigmoidectomy is under the serosa of the rectum or proper rectal fascia extended serous layer below the peritoneal reflection; B: Pelvic dissection under robotic endoscopy; C: Pelvic dissection plane of conventional laparoscopic Soave surgery is performed tightly around the rectal wall; D: Pelvic dissection under laparoscopy.