3D-CTA reconstruction on the TeraRecon workstation and stretch view evaluating enlargement of the aneurysm diameter. Initial findings show a maximum diameter, 10.2 mm (A). Follow-up findings after 2 years show an increased maximum diameter, 12.2 mm (B). a, Volume rendering image (arrow indicates an aneurysm). b, Translucent image. c, MIP image of the stretch view. d, Calculated diameter.