Flexible Sigmoidoscopies allow your doctor to evaluate the rectum and the lower portion of the colon by inserting a flexible tube into the anus. Download our PDF for more information on flexible sigmoidoscopies.To learn more about Flexible Sigmoidoscopies, what to expect, and how to prepare, please visit this link:https://www.asge.org/home/for-patients/patient-information/understanding-flexible-sigmoidoscopy