Fig. 8From: Medical 3D printing for vascular interventions and surgical oncology: a primer for the 2016 radiological society of North America (RSNA) hands-on course in 3D printingSelecting the Contrast ROI (1), moving to the bifurcation of the right common iliac artery (2) and selecting the foreground (3) and background (4) structures to create a new separated ROI (5), rightBack to article page