Fig. 2From: Comparison of radiotherapy combined with nimotuzumab vs. chemoradiotherapy for locally recurrent nasopharyngeal carcinomaKaplan-Meier curves of overall survival (A), progression-free survival (B), locoregional failure-free survival (C), and distant metastasis-free survival (D), according to radiotherapy combined with nimotuzumab or chemotherapy treatment in the 87 patients. P values were calculated with the log-rank testBack to article page