Advice needed

Dr Malcolm Kendrick, I am a very scared lost 42 year old female, never smoked, never been overweight, normal blood pressure but high cholesterol which I believe is FH was on statins 4 years with no significant change I LDL. recently had typical angina pain after recent stressful period I did not think anything too serious. 5ft 4 and weight 9st 11 32% body fat. However recent CT angiogram showed moderate LMS and moderate proximal LAD stenotic disease, I worried which probably making myself worse. Due to have further evaluation with catheter. Any advice greatly receivedt