Peroral videocholangioscopy using narrow band imaging for early bile duct cancer (with video)

Fumihide Itokawa1, Takao Itoi, Atsushi Sofuni

  • 1Department of Gastroenterology and Hepatology, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan.