“…Its success rate exceeds 90%, and it has been accepted as the best nonsurgical treatment for common bile duct stones [29][30][31][32][33] . However, EST is still associated with an 8%-12% rate of acute complications, such as bleeding, perforation, cholangitis, and post-procedure pancreatitis [11,25,[34][35][36][37] . In addition, it permanently destroys the biliary sphincter, which can lead to chronic complications, such as duodenal biliary reflux, bacterial contamination, and chronic inflammation of the biliary system [11] .…”