Side-by-side 6-mm multi-hole metal stents more effective than inside plastic stents for reintervention after stent-in-stent placement in malignant hilar biliary obstruction

对于恶性肝门部胆道梗阻，在支架内支架置入术后再次干预时，并排放置的6毫米多孔金属支架比内置塑料支架更有效。