Colonoscopy is a procedure that uses an endoscope to examine the inside of the large intestine. Learn more about this procedure.
POEM is a minimally invasive, endoscopic procedure for treating achalasia and other swallowing disorders.
For patients having a colonoscopy, Yale Medicine's anesthesiologists offer both conscious sedation and general anesthesia, tailored to your needs.
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.
desc
Achalasia is a disorder of the esophagus that makes it difficult to swallow food and liquids.
Blood in the stool can be an alarming symptom that signals underlying conditions from hemorrhoids to colon cancer.
Abnormal DNA changes can cause cancer to develop on the inner wall of the esophagus. Learn about symptoms and treatment.
Abdominal pain is a common symptom; emergency medicine doctors use physical exams and other tools to diagnose its cause.
summary fact sheet with various images