Assertion: peptic ulcer | /r/AtLocation | the stomach
Facets:
Source sentences:
text: A peptic ulcer is an ulcer that occurs in the stomach or the first segment of the duodenum, parts of the intestinal tract that are bathed by gastric juice.
text: The two most common peptic ulcers are gastric ulcers, which occur in the stomach, and duodenal ulcers, which occur in the upper portion of the small intestine.