Author Reflections: Relationship of Systemic Inflammatory Response Indicators at Recurrence to Long-Term Outcomes in Patients with Recurrent Esophageal Squamous Cell Carcinoma: The Utility of Neutrophil-to-Lymphocyte Ratio. - Takeuchi M; Hoshino S; Kawakubo H; Matsuda S; Mayanagi S; Irino T; Fukuda K; Nakamura R; Wada N; Kitagawa Y (Annals of surgical oncology, 2021)