Assertion: stomach's stomach | /r/HasProperty | gastric ulcers
Facets:
Source sentences:
text: Peptic ulcers can affect the stomach (gastric ulcers), duodenum (duodenal ulcer), and esophagus (esophageal ulcer).
text: These are X-rays of the esophagus (food tube) and stomach, which is called the upper gastrointestinal (GI) tract.