BACKGROUND: The bile duct is a thin tube, about four to five inches long, that reaches from the liver to the small intestine. The major function of the bile duct is to move a fluid called bile from the liver and gallbladder to the small intestine, where it helps digest the fats in foods. Bile duct cancer or cholangiocarcinoma is a cancerous (malignant) growth in one of the ducts. (SOURCE: www ...
