Fig. 4From: Apparent diffusion coefficient for the prediction of tumor response to neoadjuvant chemo-radiotherapy in locally advanced rectal cancerPrimary tumor progression free survival (PFS). a PFS of Mean pre-ADC value of ROI divided with cut off value 0.94 × 10−3 mm2/s; b PFS of ΔADC% divided with cut off value 26.0%Back to article page