Esophageal varices are swollen veins in the lining of the lower esophagus near the stomach. Gastric varices are swollen veins in the lining of the stomach. Swollen veins in the esophagus or stomach resemble the varicose veins that some people have in their legs. Because the veins in the esophagus are so close to the surface of the esophagus, swollen veins in this location can rupture and cause dangerous bleeding.
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