In Endoscopic Retrograde Cholangiopancreatography (ERCP), two primary types of stents are used to manage biliary and pancreatic duct obstructions: plastic stents and self-expanding metal stents (SEMS). Each type has its specific applications, advantages, and considerations.### 1. Plastic Stents####

SEMS stands for Self-Expandable Metal Stent, and it is commonly used in the context of Endoscopic Retrograde Cholangiopancreatography (ERCP). ERCP is a procedure that combines endoscopy and fluoroscopy to diagnose and treat conditions related to the bile ducts, pancreatic duct, and gallbladder. Here