I Am Waiting To Have A Gallbladder Removal Went To

I am waiting to have a gallbladder removal went to a hospital specialist yesterday in NZ but this won't happen for 3 months! I am getting pain after eating and WANT TO KNOW THE MAIN THINGS TO AVOID I had a salad an hour ago and have more pain then usual there was lettuce grated carrot bean salad, tomato a baked potato and some red onion a little mayo and some Tuna in brine. Thank you Jane