No flouroscopy. I can tell I have some restriction. it's very easy to eat around it. After a while, it's so easy to tell when to take a drink. At first, it will hurt if you eat too much. You have to be very careful. After you've lived with it for a year or two, you learn all the tricks which I am not willing to share with you and jeopardize your success. I wish you much luck with your surgery. Do what they tell you and keep getting your weigh ins. That was one of my biggest mistakes by losing sight of the scale.