Assertion: fistula's tract | /r/CapableOf | suspect its presence
Facets:
value: indirectly
type: MANNER
Source sentences:
text: Apart from pneumobilia, intestinal obstruction, an ectopic calculus and a dilated stomach, CT can also depict the biliodigestive fistula when the tract is enhanced by positive oral or air contrast material, or suspect its presence indirectly when the gallbladder is filled with oral contrast .