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Recurrence-free survival according to pre-nCRT NLR using Kaplan-Meier analysis. Group with pre-CRT NLR >2.66 showed lower 5-year RFS (55.2% vs. 83.3%, P = 0.014). nCRT, neoadjuvant chemoradiation therapy; NLR, neutrophil to lymphocyte ratio; RFS, recurrence-free survival.
