Symposium 1
CIS/High-grade Dysplasia in the Biliary Tract: How Should it be Managed?

[SY1-6] Surgical technique and results of subtotal intrapancreatic bile duct resection for cis lesion in intrapancreatic bile duct combined with hilar malignancies

^○Takehiro Noji, Keisuke Okamura, Kimitaka Tanaka, Yoshitsugu Nakanishi, Toshimichi Asano, Toru Nakamura, Takahiro Tsuchikawa, Satoshi Hirano (Gastroenterological Surgery II, Hokkaido University Faculty of Medicine, Sapporo, Japan)