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The prognostic value of cervical node features in nasopharyngeal carcinoma(NPC) patients treated with intensity-modulated radiotherapy (IMRT) was controversial. In this study, about 1752 patients after IMRT from 2008 to 2011 were recruited. The nodal features including the nodal number, maximize dimension diameter, extranodal extension(ENE)and cervical node necrosis(CNN) were retrospective analyzed. Univariate Cox and multivariate proportional hazard regression models were used to test thedoi:10.21203/rs.3.rs-109566/v1 fatcat:xa52tgxdzzh7potxcafamjklqq