Assertion: stomach ulcer | /r/Desires | surgery
Facets:
value: in very rare cases
type: OTHER
Source sentences:
text: In very rare cases, a complicated stomach ulcer will require surgery.
text: Gastric ulcers are more likely to require surgery than are duodenal ulcers.
text: Gastric ulcers are more likely to require surgery than are duodenal ulcers.