Assertion: ulcer | /r/Causes | perforation
Facets:
value: sometimes
type: TEMPORAL
value: through the wall of the stomach
type: MANNER
Source sentences:
text: The ulcer can cause a perforation through the wall of the stomach.
text: Sometimes ulcers can cause complications, such as bleeding, perforation, penetration, or obstruction.
text: Ulcers can also cause perforation (where the lining of the stomach splits open), in which case you may experience sudden and severe stomach pain that continually gets worse—and should head to the ER, stat.