A colorectal polyp is an abnormal but often benign growth that forms on the inner (mucosal) wall of the colon or rectum. Learn about symptoms and treatment.
Colonoscopy is a procedure that uses an endoscope to examine the inside of the large intestine. Learn more about this procedure.
For patients having a colonoscopy, Yale Medicine's anesthesiologists offer both conscious sedation and general anesthesia, tailored to your needs.
Ulcerative colitis is a type of inflammatory bowel disease characterized by swelling and sores in the colon. With proper treatment, it can be improved.
Abnormal DNA changes can cause cancer to develop on the inner wall of the esophagus. Learn about symptoms and treatment.
Achalasia is a disorder of the esophagus that makes it difficult to swallow food and liquids.
Radiofrequency ablation (RFA) is an interventional endoscopy procedure that employs heat to burn off diseased tissue.