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. 2019 Mar 29;11:2623–2642. doi: 10.2147/CMAR.S157092

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© 2019 Tariq et al. This work is published and licensed by Dove Medical Press Limited

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Anatomical sub-variants of BTC.

Abbreviations: AVC, ampulla of Vater cancer; BTC, biliary tract cancer; EHC, extrahepatic cholangiocarcinoma; GBC, gallbladder cancer; IHC, intrahepatic cholangiocarcinoma.