Robotic surgery, Laparoscopic surgery, Colectomy, Ileoanal anastomosis surgery, Flexible sigmoidoscopy, Transanal endos...copic microsurgery, Rectal prolapse surgery, Intraoperative radiation therapy, Colostomy, Anorectal surgery, Coloanal anastomosis, Ileostomy surgery, Proctectomy, Colorectal surgery, Minimally invasive abdominal surgery, Complex oncologic multidisciplinary pelvic surgery, Rectal prolapse, Carcinoid tumor, Vaginal fistula, Ulcerative colitis, Inflammatory bowel disease, Crohn's disease, Lynch syndrome, Colon cancer, Rectal cancer, Familial adenomatous polyposis, Recurrent cancer, Colon polyps, Anal cancer, Diverticulitis, Polyposis syndromes, Polyp, Abscess