Su1392 A Comparative Evaluation of Uncovered, Partially Covered, and Fully-Covered Self-Expandable Metal Stents in the Palliation of Distal Malignant Bile Duct Obstruction

      There are 3 types of self-expandable metal stents (SEMS) available for the palliation of malignant biliary obstruction: uncovered (ucSEMS), partially covered (pcSEMS), and fully covered (fcSEMS). Both ucSEMS and pcSEMS were developed for palliation but are prone to tumor ingrowth. Subsequently, fcSEMS were developed to prevent tumor ingrowth but may be more susceptible to migration.
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