preferred_name: Occlusion of bile duct, except cystic duct, without mention of calculus
preferred_name_lc: occlusion of bile duct, except cystic duct, without mention of calculus
label: Occlusion of bile duct, except cystic duct, without mention of calculus
label_lc: occlusion of bile duct, except cystic duct, without mention of calculus