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Figure 2 Identical site in the left circumflex artery from a baseline (A) and one-year follow-up (B) study. There is no intimal thickening at baseline. However, when the same site is identified using pericardium and a branch vessel as a landmark, significant intimal thickening (0.6 mm) is identified at the same site. This is an example of de novo lesion of transplant vasculopathy.