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86-year-old woman. (A) CT demonstrates a 60% stenosis of the mid segment of the RCA. (B) The CT-FFR value was 0.91 (star). (C) An ICA with RFR value of 0.90 (star) shows a non-significant stenosis. CT, computed tomography; CT-FFR, coronary computed tomography angiography based fractional flow reserve; RFR, resting full cycle Ratio; LL, lesion length; MLD, minimal luminal diameter.
