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Cholangiocarcinoma

bile duct adenocarcinoma that has material basis in bile duct epithelial cells.

Cholangiocarcinoma or bile duct cancer is a form of cancer that is formed by mutated epithelial cells (or cells showing characteristics of epithelial differentiation) that begins in the bile ducts which drain bile from the liver into the small intestine. Other biliary tract cancers include pancreatic cancer, gallbladder cancer, and cancer of the ampulla of Vater.