Fig. 10

Boxplots of relative change of mean ADC values (top) and tumor volumes (bottom) from baseline to every week of radiotherapy (w1–w7) for high risk (red), intermediate risk (gold), low risk (blue) and non-oropharyngeal (green) patients. Outliers are shown with a plus sign. Significant different changes (p < 0.05) from 0 are indicated by a star