I have always eaten "low fat" and whole grains my whole life....to avoid gaining weight. I like to be slim & fit, so no, I did not need to change my diet at all nor see a dietician. While recovering from my Whipple in the hospital, a dietician came to see me but only had one question. "Are you vegetarian?" I am not. Getting enough protein to heal, was her concern. I have always eaten eggs, meat, etc. Now, I eat 2 eggs every single morning to ensure I have enough protein. Lot of fruits and vegetable are part of my diet. I avoid pasta and too many carbs, as I always had a sit-down job so knew I didn't need to eat like a hard working farmer ! Lol. (I'm originally from a farm)