There are four types of stomach ulcers. Each type occurs on a different part of the stomach lining. These are different from duodenal ulcers, although they develop nearby and have similar causes and ...

Prepyloric ulcers are a type of peptic or gastric ulcer. These open sores develop in the upper digestive tract, just above the pylorus, which is the opening to the small intestine. The tissues of the ...

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