Dr Marco is a colon and rectal surgeon. His clinical interests include colon and rectal cancers; non-operative management of rectal cancer; Crohn’s disease; ulcerative colitis; diverticulitis; fecal incontinence; fistulas; and anorectal problems, such as hemorrhoids, fissures, and fistulae. He is also skilled in robotic surgery; advanced laparoscopic surgery; and nerve-sparing surgical techniques that can help to preserve anal, bladder, and sexual function and avoid colostomy. Dr Marco received his MD from Cairo University Faculty of Medicine, in Cairo, Egypt.