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. 2025 Jul 28;29(3):209–217. doi: 10.14701/ahbps.25-135

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Copyright © The Korean Association of Hepato-Biliary-Pancreatic Surgery

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 2 — Extrahepatic bile duct cancer. (A) Annual number of new cases and cancer deaths. (B) CR and ASR for both sexes. (C) Temporal changes in Surveillance, Epidemiology, and End Results (SEER) stage distribution. (D) Temporal patterns of first course of treatment modalities by SEER stage. (E) Five-year relative survival rates stratified by year of diagnosis, age group, and SEER stages. (F) Five-year relative survival rates by first course of treatment and SEER stages. CR, crude rate; ASR, age-standardized rate. *p < 0.05, **p < 0.01.