Assertion: peptic ulcer | /r/CapableOf | affect the stomach
Facets:
Source sentences:
text: When a peptic ulcer affects the stomach, it is called a gastric ulcer, one in the duodenum is called a duodenal ulcer, and an esophageal ulcer is an ulcer in the esophagus.
text: Peptic ulcers are any ulcers that affect both the stomach and small intestines.