Having surgery this Friday, any advice?

I'm having gallbladder surgery this Friday but am considering not doing it. I've had a major attack seven years ago and was misdiagnosed. Then this June I had two severe attacks and was diagnosed with gallstones. I then went on a low fat diet and tried to watch what I ate. I feel much better now and do not want of the other side effects I have read about due to surgery. I don't want to trade in one problem for another since I now know how to manage my gallbladder attacks.