Endoscopic re‐intervention after stent‐in‐stent versus side‐by‐side bilateral self‐expandable metallic stent deployment

Endoscopic bilateral self‐expandable metallic stent (SEMS) placement for unresectable malignant hilar biliary obstruction (MHBO) is widely performed; however, re‐intervention after recurrent biliary obstruction (RBO) is often challenging. We compared stent‐in‐stent (SIS) and side‐by‐side (SBS) SEMS placement for MHBO considering re‐intervention for RBO.

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