Division of Gastroenterology;
Department of Internal Medicine;
Seoul National University College of Medicine;
101 Daehang-ro;
Jongno-gu;
Seoul;
110-744;
South Korea;
Center for Liver Cancer;
National Cancer Center;
323 Ilsan-ro;
Ilsandong-gu;
Goyang-si;
Gyeonggi-do;
410-769;
South Korea;
Stents; Biliary tract neoplasms; Obstructive jaundice; Endoscopy; Endoscopic retrograde cholangiopancreatography;