(A) Rest coronary CTA shows calcified obstructive plaques of the proximal left anterior descending coronary artery. - (B) Rest coronary CTA shows mixed obstructive plaque of the proximal and mid left circumflex coronary artery. - (C to F) Stress CTP during adenosine infusion shows normal myocardial perfusion as indicated by the homogeneous gray color (C and D) and orange color code (E and F) in 2-chamber and 4-chamber views of the left ventricle. - (G) ICA shows mild left anterior descending coronary artery stenosis with normal FFR (0.94). - (H) ICA confirms left circumflex coronary artery stenosis (50%) but with normal FFR (0.81).