Assertion: gastritis | /r/Causes | upper abdominal pain
Facets:
Source sentences:
text: Gastritis may produce bleeding, ulceration, and erosion of the lining, causing symptoms including upper abdominal pain, nausea, vomiting, bloating, heartburn, and sometimes even bleeding.
text: Gastritis can cause upper abdominal discomfort or pain, and sometimes nausea, vomiting and stomach bleeding.