Hi.my 50 years old father had emergency PCI to LCX 1 month ago but he continues to have back and chest pain he is also fatigued . Upon consulting a doctor, we found out that his other two main arteries are also 80% blocked and doctor suggested bypass. I want to know if bypass is the best option or is their Any alternative. his E.F is 50% and please I also want to know of its urgent or we have time to plan. He has Chronic hypertension but he does not have diabetes, COPD or any kidney disease.