Fig. 2.
Representative images of lumen and stent trace in the same segment. Yellow and green lines represent lumen and stent contour. In the baseline IVUS image, lumen and stent contour were traced at the same line. IVUS intravascular ultrasound, OFDI optical frequency domain imaging. HIP and LE indicate stent tracings in OFDI image were performed either at the highest intensity points or at leading edges