He common bile duct (cbd). The chd -- where the right and left ducts from the liver meet to form one channel on to the duodenum -- is the most likely location for a cholangiocarcinoma, and the cbd -- the channel from the gallbladder formed by union of the hepatic duct and the cystic duct -- is the second most common location for a cholangiocarcinoma. Risk factors primary sclerosing cholangitis, a condition in which there is chronic inflammation and scarring of the bile ducts can result in cholangiocarcinoma causes, treatment, and diagnosis although several diseases of the liver and bile ducts can predispose you to developing intrahepatic cholangiocarcinoma, by far the majority of individuals who develop these tumors have no known risk factors. Primary liver cancer occurs four times more often in south east asia than in either north america or in western europe. Symptoms may include pain in your upper right abdominal area. cialis buy Diagnosis and treatment require a sophisticated approach in order to rule out other types of tumors. Stanford expertise a team approach stanford offers.