Evaluation of Sequential Stent Addition vs. Incremental Dilation & Stent Exchange for Management of Anastomotic Biliary Strictures After Liver Transplantation

Exclusion Criteria

• •1. Age \<18
• •2. Potentially vulnerable subjects including, homeless people, pregnant females, employees and students.
• •3. Complex post-surgical anatomy e.g. Choledochojejunostomy, Billroth type II anatomy, Roux-en-Y-gastrojejunostomy
• •4. Participation in another investigational study that may directly or indirectly affect the results of this study within 30 days prior to the initial visit
• •5. Other biliary process which accounts for patient's abnormal liver function studies/imaging (i.e. significant non-anastomotic biliary stricture).