Assertion: atresia | /r/CapableOf | occur proximal
Facets:
value: in a very few cases
type: TEMPORAL
value: to the ampulla
type: TRANSITIVE-OBJECT
value: to the ampulla of vater
type: LOCATION
Source sentences:
text: In the rest of the cases (15%), the vomiting may be non-bilious as the atresia occurs proximal to the ampulla of Vater.
text: In a very few cases, the atresia occurs proximal to the ampulla.