Asaumi, Yoshihide, Tamon Miyanaga, Yoji Nishida, Yasuo Hashizume, and Hiroyasu Tamamura. 2015. “The Efficiency of Chemo-Radiotherapy for Localized Recurrence of Esophageal Cancer After Radical Esophagectomy”. European Journal of Oncology and Environmental Health 19 (2): 84-88. https://mattioli1885journals.com/index.php/EJOEH/article/view/2960.