A peptic ulcer is a sore that develops on the lining of the stomach, small intestine or oesophagus. A peptic ulcer when developed in the stomach is called a gastric ulcer. A duodenal ulcer when it develops in the first part of the small intestine (duodenum). An oesophageal ulcer when it is manifested in the lower part of the oesophagus. Ulcers develop when stomach acid damages…
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