Title Search [BP SY 5-1] Preoperative biliary drainage or portal vein embolization: Does it affect long-term outcome? Stephen Chang (National University of Singapore, Singapore) [BP SY 5-2] Role of combined vascular resection in locally advanced hilar cholangiocarcinoma Shin Hwang (University of Ulsan, Korea) [BP SY 5-3] Benefits of Hilar En Bloc Resection for Hilar Cholangiocarcinoma : From Right to Left (with video) Caide Lu (Medical School of Ningbo University, China) [BP SY 5-4] The Role of Liver Transplantation in Treatment of Hilar Cholangiocarcinoma Charles Rosen (Mayo Clinic, USA)