Hi, while everyone is different and each disease can be an indivbidual experience, we do have a few articles on diet if you want to check them out:
https://bladdercancer.net/living/mediterranean-diet
https://bladdercancer.net/forums/diet-and-bladder-cancer
https://bladdercancer.net/living/making-changes-diet-lifestyle
It may at least give you a place to start to see what some of our other community members are doing. Just remember to check with your physician before starting any new regimen or diet! Also, if there's anything else we can do to help, let us know! Keep on keepin' on, DPM