question: My CABG done in sept. 2010. I am fit at present. Size of heart is normal. Pump rate is improves from 45% to 47% and no bad habits. I am vegetrian. In the morning I am doing exerxie and walk atleast 45 minutes.  What are the chances of smooth life.  If any problem arise in future what are the chances of second by pass if heart size is normal and pumping remains the same.  Ashok Jain