Fig. 2From: Efficacy of concurrent chemoradiotherapy alone for loco-regionally advanced nasopharyngeal carcinoma: long-term follow-up analysisSurvival curves in different sub-groups. A Loco-regionally failure-free survival. B Distant failure-free survival. C Failure-free survival. D Overall survival. P values were calculated with the unadjusted log-rank testBack to article page