preferred_name: Stage IVB Intrahepatic Cholangiocarcinoma AJCC v7
preferred_name_lc: stage ivb intrahepatic cholangiocarcinoma ajcc v7
label: Stage IVB Intrahepatic Bile Duct Cancer (Cholangiocarcinoma)
label_lc: stage ivb intrahepatic bile duct cancer (cholangiocarcinoma)