Cholangiocarcinoma could be a rare and infrequently fatal cancer that affects the digestive juice ducts. The digestive juice ducts area unit a series of tubes that transport organic process juices referred to as digestive juice from your liver (where it’s made) to your bladder (where it’s stored). From the bladder, ducts carry digestive juice to your gut, wherever it helps to interrupt down fats within the foods you eat. In most cases, cholangiocarcinoma arises in those elements of the digestive juice ducts that lie outside the liver. Rarely, the willcer can develop in ducts that area unit set among the liver.