preferred_name: percutaneous transhepatic cholangiography: common bile duct not well visualized
preferred_name_lc: percutaneous transhepatic cholangiography: common bile duct not well visualized
label: percutaneous transhepatic cholangiography: common bile duct not well visualized
label_lc: percutaneous transhepatic cholangiography: common bile duct not well visualized