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