Extreme dilation of the submucusoal veins in the stomach. [https://orcid.org/0000-0002-0736-9199, pmid:24891929]

Gastric varices are dilated submucosal veins in the lining of the stomach, which can be a life-threatening cause of bleeding in the upper gastrointestinal tract. They are most commonly found in patients with portal hypertension, or elevated pressure in the portal vein system, which may be a complication of cirrhosis...