Assertion: renal papillary necrosis | /r/RelatedTo | blockage
Facets:
value: usually
type: DEGREE
value: within the biliary tract
type: LOCATION
Source sentences:
text: Both pancreatic necrosis and abscess are serious life-threatening infections of the pancreas usually associated with a blockage within the biliary tract, long-term alcohol use, or arising from an unknown cause.