Fig. 3From: Safety and efficacy analysis of chemoradiotherapy/radiotherapy combined with nimotuzumab for treating unresectable oesophageal squamous cell carcinoma in elderly patients: a retrospective analysisPFS curves of the NRT and NCRT groups. NRT nimotuzumab + radiotherapy; NCRT, nimotuzumab + chemo-radiotherapy; PFS, progression free survivalBack to article page