22 Oct 2025 Cholangiocarcinoma (literature review) cholangiocahcinoma; Klatskin tumor; liver fluke infection (opisthorchiasis); viral hepatitis B; C; jaundice; pancreatoduodenectomy; Whipple’s operation Nadyrbek Alymjonov, Aibek Keneshbekov https://doi.org/10.54890/1694-8882-2025-3-155