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Kaplan-Meier overall survival (A), distant metastasis-free survival (B), locoregional relapse-free survival (C) and disease-free survival (D) curves for patients with a pretreatment CRP/Alb ratio > 0.05 and ≤ 0.05 in the validation set. Abbreviations: 3-y = 3-year; CRP/Alb = C-reactive protein/albumin; OS = overall survival; DMFS = distant metastasis-free survival; LRRFS = locoregional relapse-free survival; DFS = disease-free survival.
