Fig. 2From: An endorectal ultrasound-based radiomics signature for preoperative prediction of lymphovascular invasion of rectal cancerSchematic outline of the region of interest (ROI) of a rectal carcinoma. a, d, g The biggest section of the ultrasound image of rectal cancer. b, e, h The red line delineates the ROI along the edge of the lesion. c, f, i Schematic of the cut image. a, b, c show a LVI negative case. d, e, f show another LVI negative case. g, h, i show a LVI positive caseBack to article page