Nobody deserves to die. The decision was his to make, and he underestimated the severity of his illness. Many people do, just try to put yourself in his boots, it’s not an easy situation to deal with. Surgeries can go wrong. It’s just one of those things you’ve really got to commit yourself to go do. By the time he…

he knew it would save him and said no

For the uneducated- the surgery in question can't "save you". It is not a cure, it is merely an extension of your time on earth.