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Box plots of serial mean apparent diffusion coefficient (ADC) and R2* changes during radiation therapy. (a) ADC values and (b) changes in ADC values at different time points (e.g. pre-treatment ADC values minus Week 2 ADC values). (c) R2* values (d) changes in R2*values at different time points (e.g. pre-treatment R2 values minus Week 2 R2 values).
