preferred_name: percutaneous transhepatic cholangiography: gallbladder not well visualized
preferred_name_lc: percutaneous transhepatic cholangiography: gallbladder not well visualized
label: percutaneous transhepatic cholangiography: gallbladder not well visualized
label_lc: percutaneous transhepatic cholangiography: gallbladder not well visualized