My father has been diagnosed with triple vessel coronary artery disease. Right Coronary artery - 90% stenosis LCX - 70-80% LAD - 70-80% He is 66 years of age He chews tobacco Ocassional smoker He has diabetes for which he takes Gemer 1 mg He also has slightly high blood pressure. Doctors have suggested surgery. They said both angioplasty and by pass surgery can be done. I want to know which option would be the best?