Fig. 2

Representative slice of the dynamic contrast-enhanced MRI images and the corresponding intratumoral and peritumoral regions of interest (ROIs). The intratumoral ROI (red regions) drawn by a junior radiologist with the peritumoral ROI (purple regions) generated by equidistant 3-dimensional dilation of the intratumoral regions with 4 mm. (a, b) A 36-year-old female with luminal breast cancer. (c, d) A 61-year-old female with non-luminal breast cancer.