4 This procedure is more invasive and is associated with more severe complications, such as bleeding, liver hematoma or biliary fistula. Stent clogging and subsequent cholangitis are the most ...

The type of biliary lesion was classified by using endoscopic retrograde cholangiography. Thirty five of 56 patients had peripheral leakages, nine of 56 had central leakages, and 12 of 56 had ...