Hybrid argon plasma coagulation for chronic radiation-induced proctitis following pelvic chemoradiotherapy for cervical adenocarcinoma: a case report - Hattori, Aiji; Ikenoyama, Yohei; Fujiwara, Yasuko; Nakamura, Misaki; Hamada, Yasuhiko; Horiki, Noriyuki; Nakagawa, Hayato (Endoscopy, 2025)