abnormalities included bile duct stricture ( 26 cases ) , occluded internal biliary stent ( six cases ) , common duct redundancy with resultant functional biliary obstruction ( three cases ) , bile leak ( three cases ) , choledocholithiasis ( two cases ) , and an abscess in a cystic duct remnant ( one case ) .
C1947917
occluded
C0028778
obstruction