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lt23585-sup-0001-suppinfo.avi5777KVideo 1. Normal common bile duct at the level below the bifurcation of left and right hepatic ducts.
lt23585-sup-0002-suppinfo.wmv5373KVideo 2. Cholangioscopy showing mild edema and erythema with surrounding biliary sludge at the anastomosis in a patient with AS with pattern A.
lt23585-sup-0003-suppinfo.wmv17279KVideo 3. Cholangioscopy showing erythema, edema, sloughing and ulcerations located at anastomotic stricture in a patient in with AS with pattern B.

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