Title Search [BP SY 4-1] Endoscopic management to difficult CBD stones Jong Ho Moon (Soonchunhyang University, Korea) [BP SY 4-2] Laparoscopic CBD exploration: Transcystic vs. Transcholedochal approach Nikhil Gupta (Dr RML Hospital and PGIMER Delhi, India) [BP SY 4-3] Laparoscopic CBD exploration: Tools and technique in my nSIL-CBDE KeeHwan Kim (Catholic University, Korea) [BP SY 4-4] Repeated ERCP vs. Drainage procedure InSeok Choi (Konyang University, Korea) [BP SY 4-5] Tricks and Tips of Safe Hepatico-jejunostomy Thakur Deen Yadav (PGIMER, India)