Outcomes of surveillance of patients with intraductal papillary mucinous neoplasm with and without pancreatectomy with special reference to the incidence of concomitant pancreatic ductal adenocarcinoma

K. Date, T. Ohtsuka, S. Nakamura, Y. Gotoh, Y. Nakashima, Y. Mori, Y. Sadakari, K. Nakata, Y. Miyasaka, Y. Oda, M. Nakamura