Fig. 5

ROC curves of R2* values in early identification of CR from non-CR in ESCC. The post-R2* (2–3 weeks post-dCRT), ∆R2*, ∆%R2* and the fitting parameter (pre-R2* combined with post-R2*) values showed good prediction performance, yielding an AUC of 0.829, 0.813, and 0.813 (A∆C), respectively