Abstract
Background
Little is known about the epidemiology of biliary tract cancers over the last decade.
We investigated trends in incidence, treatment and prognosis of biliary tract cancers
according to anatomic site.
Methods
714 biliary tract cancers recorded between 2012 and 2019 in the French population-based
cancer registry of Burgundy were included. Trends in world age-standardized incidence
were depicted using Poisson regression.
Results
Intrahepatic cholangiocarcinoma accounted for 40% of biliary tract cancer. Half of
the patients were older than 75 years at diagnosis. Incidence of biliary tract cancer
did not vary over time, except a slight increase in intrahepatic cholangiocarcinoma
in men and a decrease in the ampulla in both sexes. Among non-metastatic patients,
the proportion who underwent R0 resection ranged from 15% for intrahepatic cholangiocarcinoma
to 58% for ampulla cancer (p < 0.001). Age, performance status and hospital type were
associated with resection. Among unresected patients, 45% received chemotherapy. Older
age, jaundice, increasing performance status and comorbidities index negatively affected
chemotherapy administration. Net survival was higher for ampulla than for other sites,
regardless of patient and treatment characteristics.
Conclusion
Biliary tract cancers present different patterns in incidence. The ampulla site should
be considered separately in clinical trials due to its better outcomes.
Graphical abstract

Graphical Abstract
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Article info
Publication history
Published online: February 27, 2023
Accepted:
February 23,
2023
Received:
December 1,
2022
Publication stage
In Press Corrected ProofIdentification
Copyright
© 2023 International Hepato-Pancreato-Biliary Association Inc. Published by Elsevier Ltd. All rights reserved.