ASO Author Reflections: Esophagectomy or Chemoradiotherapy, That is the Question: Additional Treatment Following Noncurative Endoscopic Resection for Esophageal Squamous Cell Carcinoma. - Kanie Y; Okamura A; Asari T; Ishiyama A; Yoshio T; Tsuchida T; Chin K; Watanabe M (Annals of surgical oncology, 2021)