Colorectal surgery, Colectomy, Robotic surgery, Laparoscopic surgery, Proctectomy, J-pouch surgery, Intraoperative radi...ation therapy, Minimally invasive abdominal surgery, Single-incision laparoscopic surgery, Coloanal anastomosis, Transanal endoscopic microsurgery, Complex oncologic multidisciplinary pelvic surgery, Diverticulitis, Colon polyps, Inflammatory bowel disease, Colon cancer, Ulcerative colitis, Crohn's disease, Recurrent cancer, Rectal cancer, Familial adenomatous polyposis, Lynch syndrome, Polyposis syndromes