732059.fig.001a
(a)
732059.fig.001b
(b)
Figure 1: Curved planar reformatted image (a) shows that the left bifurcation angle is measured as 40.3° in a 54-year-old woman with a normal left coronary artery. 3D volume rendering (b) shows that the left bifurcation angle is measured as 104.5° in 71-year-old man with left coronary disease.