Radiofrequency Ablation for Hepatocellular Carcinoma Adjacent to the Bile Duct Via Intraductal Cooling Through an Endoscopic Nasobiliary Drainage Tube. Issue 3 (16th March 2020) - Seiki, Yusuke; Tanaka, Satoshi; Kato, Seiya; Ishihara, Akio; Nakazuru, Shoichi; Ishida, Hisashi; Mita, Eiji