My mother aged 60 yrs have been suffering from blockage of one of the artery in heart. It is the main artery in heart.  80percent of it, is blocked. We a question to what to do,whether to choose bypass surgery, ECP, EECP or to have 20 injections by the doctor which can cure 50 percent of it for sure and if we still corporate with it by doing walking and having sufficient amount of cholesterol, it can cure 30 percent and even more. So, I in a confused state about what to choose, so I need your suggestion.