Combatting cholangiocarcinoma in the Lao People’s Democratic Republic Prevent and eliminate liver fluke disease and bile duct cancer. in the prototype area Cooperation to prevent and eliminate liver fluke disease and bile duct cancer. Cooperation to prevent and eliminate liver fluke disease and bile duct cancer. in the prototype area Cooperation to prevent and eliminate liver fluke disease and bile duct cancer. Cooperation to prevent and eliminate liver fluke disease and bile duct cancer. 12