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ASRs and ASMRs by biliary tract cancer subtype.
(A) ASRs per 100,000 person-years and 95% CIs: (i) cholangiocarcinoma, gallbladder cancer and ampulla of Vater cancer; (ii) Intrahepatic cholangiocarcinoma and extrahepatic cholangiocarcinoma. (B) ASMRs and 95% CIs: (i) cholangiocarcinoma, gallbladder cancer and ampulla of Vater cancer; (ii) intrahepatic cholangiocarcinoma and extrahepatic cholangiocarcinoma. ASMR, age-standardised mortality rate; ASR, age-standardised incidence rate.
