Assertion: duodenal obstruction | /r/HasProperty | located proximal
Facets:
value: to the major papilla
type: LOCATION
value: often
type: TEMPORAL
value: fortunately
type: MANNER
Source sentences:
text: Fortunately, duodenal obstruction from pancreatic head cancer is often located proximal to the major papilla, leaving sufficient room to carry out an ERCP.