After going through extensive medical studies, a man is told he is going to die within three years. He is also told that there can be an operation organized for him in a year; but if he goes through with the operation, he will die then and there.
The man spends half a year dwelling on the situation and discussing it with his family.
Finally, he makes his decision.
After another six months, he goes through with the operation and dies.
Why did he die and what was the operation?