Assertion: stent | /r/HasProperty | blockage
Facets:
value: in the ureter
type: LOCATION
Source sentences:
text: A stent is a wire mesh tube that holds an artery open when there is a blockage affecting blood flow.
text: The stent is often used when there is a blockage in the ureter (for example, from a kidney stone) and allows urine to drain around the blockage.