Fig. 2From: High resolution MRI-based radiomic nomogram in predicting perineural invasion in rectal cancerTumor segmentation on RC HRMRI images by ITK software. a-b A 62-year-old male patient with RC, red regions indicate the ROI, and postoperative pathology confirmed PNI; c-d A 69-year-old female patient with RC, red regions indicate ROI and postoperative pathology confirmed PNI negativeBack to article page