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