I don't think I can post a link to an URL but I'll try. It is that easy. There isn't a cardiologist in the world who can do anything for anyone with a high CAC score who is asymptomatic except recommend a statin, quit smoking, exercise, a plant based diet and a stress free environment. If someone experiences shortness of breath when exerting themselves or chest pain then tests definitely need to be performed.
https://www.ncbi.nlm.nih.gov/books/NBK519037/