intrahepatic bile duct cancer (MONDO_0001487) is a cancer that involves the intrahepatic bile duct. Also known as: Ca intrahepatic bile ducts, cancer of intrahepatic bile duct, malignant intrahepatic bile duct neoplasm, malignant neoplasm of intrahepatic bile duct, malignant neoplasm of intrahepatic bile ducts, malignant neoplasm of intrahepatic biliary passages.