An endoscopy can help healthcare professionals diagnose stomach cancer. The test uses a camera to see the stomach and help with taking a biopsy of the tissue. An endoscopy is a minimally invasive ...

or a high-definition magnification upper gastrointestinal endoscope (GIF-260Z; Olympus) together with the Evis Lucera 260 Spectrum endoscopy system (Olympus). A soft black hood was affixed to the ...

Zollinger-Ellison syndrome happens when tumors called gastrinomas cause too much stomach acid. Here's all you need to know ...