Hello sir/madam. My father (age 55) is suffering from unstable angina since last few months. And CORONARY ANGIOGRAPHY was performed 2 days back. And report had following result left Main: Normal left anterior descending artery Mid 80% Lesion D1 70% Lesion Circumflex artery: Non Dominant Normal. OM1,OM2 normal. Right Coronary Artery :Dominant Proximal 100%CTO Impression: Unstable angina /CAD DVD (CTO RCA) Advice :PTCA +STENT TO LAD/D1/CABG so what should we choose ?angioplasty with stent or bypass surgery? Which will be better option? Thanking you in advance.