[O011] DB-ERCP

[O011-4] Efficacy of biliary drainage with double-balloon endoscopy for malignant biliary stricture after altered GI anatomy

^○Hisashi Hatanaka, Tomonori Yano, Norikatsu Numao, Kensuke Yokoyama, Jun Ushio, Tsuyoshi Tomiyama, Daiki Nemoto, Kohei Ono, Yasushi Miyata, Masato Tsunoda, Chihiro Iwashita, Kiichi Tamada, Hironori Yamamoto (Dept. of Gastroenterology, Jichi Medical University., Tochigi, Japan)