This information tells you about upper gastrointestinal endoscopy, a test to look inside your stomach. It explains how the test is done, how good it is, the risks involved, and what to expect afterwards. You may also hear doctors call this test a gastroscopy, upper endoscopy, or just endoscopy.
The risks we talk about in this information are based on research studies and may be different in your hospital. You may want to talk about this with the doctors and nurses treating you.