Prospective Evaluation of MyocaRdial PerFUSion ComputEd Tomography Trial

Inclusion Criteria: * Age 20 and more * Diagnosed angina or angina equivalent symptom or positive exercise treadmill test * Patients with intermediate- or high-risk probability of CAD defined by Diamond and Forester * 70 % stenosis or more in coronary CTA * Willing to provide informed, written consent Exclusion Criteria: * Requirement for surgical procedure * Cardiogenic shock and/or need for mechanical/pharmacologic hemodynamic support * Recent STEMI (\<5 days) * Non STEMI, if the cardiac troponin is not stable or starting to decline * Left ventricular ejection fraction \<30% * Life expectancy \<2 years * Impaired renal function with an effective glomerular filtration rate less than 30mL/min/1.73 ㎡ or creatinine more than 2.0 mg/dL * Undergoing evaluation for organ transplantation * Participation or planned participation in another cardiovascular clinical trial * Pregnancy * Inability to take dual antiplatelet therapy for six months * Previous CABG * Left main disease requiring revascularization * Any target lesion with in-stent restenosis * NYHA class 3 or 4a * Severe and persistent angina with severe limitation in everyday living activities (Canadian Cardiovascular Society grading Class IV)