The Yawkey building entrance is now closed.

As of April 29, BMC’s Yawkey building doors are closed as an entrance. All patients and visitors on our main campus must enter the hospital via the Shapiro, Menino, or Moakley buildings, where they will be greeted by team members at a new centralized check-in desk. Learn more.

An upper GI endoscopy looks at the upper part of the gastrointestinal tract including the esophagus, the stomach, and the first part of the small intestine, called the duodenum. Gastroenterologists commonly perform this procedure as a way to evaluate and diagnose various problems, such as chronic heartburn (acid reflux), difficulty swallowing, stomach or abdominal pain, bleeding, ulcers, and tumors.