Robotic surgery, Laparoscopic surgery, Colonoscopy, Colectomy, Ileoanal anastomosis surgery, Flexible sigmoidoscopy, Re...ctal prolapse surgery, Intraoperative radiation therapy, Colostomy, Anorectal surgery, Coloanal anastomosis, Ileostomy surgery, Proctectomy, Colorectal surgery, Colon cancer surgery, Rectal cancer surgery, Rectal prolapse, Pelvic floor dysfunction, Pelvic floor defecatory dysfunction, Carcinoid tumor, Vaginal fistula, Ulcerative colitis, Inflammatory bowel disease, Constipation, Lynch syndrome, Colon cancer, Rectal cancer, Familial adenomatous polyposis, Recurrent cancer, Colon polyps, Anal cancer, Hemorrhoids, Anal fissure, Diverticulitis, Anal fistula, Fistula, Pouchitis, Polyposis syndromes, Polyp, Abscess, Anorectal abnormality