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Editorial
Copyright: ©Author(s) 2026.
World J Gastrointest Endosc. Jul 16, 2026; 18(7): 123520
Published online Jul 16, 2026. doi: 10.4253/wjge.123520
Figure 2
Figure 2 Four anatomical zones of biliary tree of non-anastomotic biliary stricture classified by Buis classification. Zone A: Hilar bifurcation; zone B: Central intrahepatic ducts; zone C: Peripheral intrahepatic ducts; zone D: Terminal/septal ducts.


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