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