Yusuke Watanabe et al. JCIN 2016;9:618-620 Angiography and OCT Before the Procedure (A) Initial coronary angiography showing a lesion with a contrast filling defect and haziness (A′) at the mid-segment of the left anterior descending coronary artery. (a) Proximal segment of the target lesion. (b and c) OCT showing multiple honeycomb-like channels. (d) Distal segment of the target lesion. (I) Longitudinal image of OCT. OCT = optimal coherence tomography. Yusuke Watanabe et al. JCIN 2016;9:618-620 American College of Cardiology Foundation