Fig. 1From: Apparent diffusion coefficient for the prediction of tumor response to neoadjuvant chemo-radiotherapy in locally advanced rectal cancerMean ADC value of ROI pre-treatment. a Mean pre-ADC value of ROI with different primary tumor response; b ROC cure of mean pre-ADC value of ROI to predict primary tumor response; c Primary tumor response rate with mean pre-ADC value of ROI above or below a cut-off value (0.94 × 10−3 mm2/s)Back to article page