Peroral pancreatoscopy with videoscopy and narrow-band imaging in intraductal papillary mucinous neoplasms with dilatation of the main pancreatic duct - Yui Kishimoto; Naoki Okano; Ken Ito; Kensuke Takuma; Seiichi Hara; Susumu Iwasaki; Kensuke Yoshimoto; Yuto Yamada; Koji Watanabe; Yusuke Kimura; Hiroki Nakagawa; Yoshinori Igarashi (Korean Society of Gastrointestinal Endoscopy, 2023)