“…Since then, endoscopic drainage, biliary lithotomy, endoscopic pancreatic duct drainage, and embolization have also been developed (Nourallah et al, 1999;Lehman, 2002). These new methods are used with additional techniques, such as high-frequency electric knife, laser, microwave, and electrohydraulic shock wave methods, which have further broadened the therapeutic range of ERCP.…”