Fig. 3From: Individualized induction chemotherapy by pre-treatment plasma Epstein-Barr viral DNA in advanced nasopharyngeal carcinomaKaplan-Meier disease-free survival, overall survival, distant metastasis-free survival and locoregional relapse-free survival curves for the selected 1191 pairs with pre-DNA ≤ 4650 copies/ml receiving concurrent chemoradiotherapy with or without induction chemotherapy. Pre-DNA, pre-treatment Epstein-Barr virus DNABack to article page