A metal stent placed in the biliary duct is used to relieve a blockage or narrowing (stricture) of the duct. Some key points about biliary metal stents:The biliary duct carries bile from the liver to the small intestine. It can become obstructed by stones, tumors, scarring, etc.A metal stent is deli

Fully covered self-expandable metal stents (FCSEMS) are a special type of stent used to treat benign biliary strictures in the bile ducts. Some key points:- Material: They are made from metal alloys like nitinol or stainless steel. The metal mesh is fully encapsulated in a thin silicone or polymer c