What is Cholangiocarcinoma?Cholangiocarcinoma, commonly referred to as CCA, is a rare type of cancer that forms in the bile ducts. The bile ducts are thin tubes that connect the liver, gallbladder, and small intestine. They carry a fluid called bile that helps with digestion. CCA begins in the cells that line the bile ducts both inside and outside of the liver. There are two main types of CCA -...