Assertion: ulcer | /r/Causes | obstruction
Facets:
value: in the stomach
type: LOCATION
value: sometimes
type: TEMPORAL
value: in duodenum
type: LOCATION
value: between the small intestine
type: LOCATION
value: in some cases
type: TEMPORAL
Source sentences:
text: In some cases, an ulcer can cause an obstruction between the stomach and the small intestine.
text: Examples are if the ulcer caused an obstruction in the stomach or duodenum that is preventing proper digestion or if it perforated, or went through, the stomach wall.
text: Sometimes ulcers can cause complications, such as bleeding, perforation, penetration, or obstruction.