Fig. 5From: Subdivision of de-novo metastatic nasopharyngeal carcinoma based on tumor burden and pretreatment EBV DNA for therapeutic guidance of locoregional radiotherapyComparison of overall survival of patients in the locoregional radiotherapy (LRRT) and non-LRRT groups: low-risk patients (a), intermediate-risk patients (b) and high-risk patients (c)Back to article page