Figure 1

K ^trans values (A) and k _ep values (B) their associated 95% CIs are shown for the Pre-RT, RT (50 Gy), RT (70 Gy), and 3 months post-RT timepoints for the combined treatment group and the radiotherapy alone group. The K ^trans values for the NPC tumor tissues decreased in both groups. Furthermore, statistically significant differences in the pre-therapy and post-therapy K ^trans values emerged earlier in the combined treatment group (RT 50 Gy) compared to the radiotherapy alone group (3 months post-RT) (A). In both groups, the k _ep values declined gradually following therapy (B).