Hemorrhoidectomy, Ileostomy surgery, Colonoscopy, Colorectal surgery, Hemorrhoidal banding, Colectomy, Robotic surgery,... Laparoscopic surgery, Proctectomy, J-pouch surgery, Small bowel resection, Bowel resection, Anorectal surgery, Anal fistula, Diverticulitis, Anal fissure, Hemorrhoids, Colon polyps, Inflammatory bowel disease, Anal cancer, Colon cancer, Ulcerative colitis, Crohn's disease, Rectal cancer, Familial adenomatous polyposis, Polyposis syndromes, Perianal abscess, Anal squamous cell carcinoma