Fig. 1From: Comparison of the seventh and eighth editions of the UICC/AJCC staging system for nasopharyngeal carcinoma: analysis of 1317 patients treated with intensity-modulated radiotherapy at two centersSurvival analyses for the T category classifications of the 7th and 8th edition staging systems. a and c: Local relapse-free survival and overall survival for T categories defined by the 7th edition; b and d: local relapse-free survival and overall survival for T categories defined by the 8th editionBack to article page