Fig. 4From: Concurrent chemoradiotherapy with weekly docetaxel versus cisplatin in the treatment of locoregionally advanced nasopharyngeal carcinoma: a propensity score-matched analysisKaplan–Meier survival curves of patients with pretreatment EBV DNA ≥ 4000 copies/mL in the matched cohort. a Overall survival; b distant metastasis-free survival; c local recurrence-free survival; d Nodal recurrence-free survivalBack to article page