Cholangiocarcinoma in 2026: Pathophysiology, Diagnostic Advances, and Evolving Therapeutic Landscape—A Narrative Review
Cholangiocarcinoma (CCA) is a heterogeneous malignancy of the biliary epithelium, classified into intrahepatic, perihilar, and distal subtypes with distinct molecular signatures, risk factor profiles, and clinical behavior. This narrative review synthesizes current understanding of CCA pathophysiology, established and...