As we continue to raise colon cancer awareness in the month of March, in this GI 101 episode, Dr. Parikh interviews Dr. Larry Kogan to discuss the basics of a colonoscopy. What is a colonoscopy? How do we do it? Why do we do it? Dr. Kogan is a third year gastroenterology fellow at Yale University. The GI 101 series is a set of episodes focused on interviewing physicians in training to get their perspective on bread and butter GI topics.