Nakagawara H, Yamao K, Gotoda T, Kikuta D, Takei A, Iwatsuka K, Takahashi , Ogawa M, Henmi A, Kobayashi , Moriyama M
BACKGROUND: Endoscopic-guided placement of metal stents for unresectable malignant hilar biliary obstruction (UMHBO) is performed using partial stent-in-stent or side-by-side (SBS) techniques. The latter involves placing sequential stents within the...