Successful treatment using a side-viewing duodenoscope for esophagojejunal varices on the jejunal side of the anastomosis site after total gastrectomy - Maruyama, Hirotsugu; Higashimori, Akira; Maeda, Natsumi; Ominami, Masaki; Fukunaga, Shusei; Nagami, Yasuaki; Fujiwara, Yasuhiro (Endoscopy, 2021)