Fig. 4.

ROC analysis of change of ADC between pre- and post-treatment ADC (δADC) for reader 1 (red line) and reader 2 (blue line). Cut-offs for complete response (≥ 62 × 10⁻⁴) and residual tumour (≤ 31 × 10⁻⁴) and their corresponding sensitivities and specificities are shown