Coronary Arterial Bypass Symptoms

He just had a quintuple coranary arterial bypass, he s 78, has hepatitis C , a thyroid problem , has had liver cancer - they decided to do the operation at high risk but a little while after he developed acute renal and as well as liver failure and is currently on life support - they ve been telling us to expect the worse and are thinking of taking him off, the chances of him surviving are low aren t they ? Well he s a consultant surgeon himself, and given that all his arteries were blocked and he could go anyday he did not want to live with that uncertainty.