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Contrast FD-OCT L-mode and cross-sectional frames of the left anterior descending artery in the same patient shown in Supplementary Fig. 5 with the imaging catheter at the same position. L-mode shows the calcified coronary artery, and cross-sectional frames show that red thrombus and 180° calcium arc are the same as that of the saline run. FD-OCT = frequency-domain optical coherence tomography.
