Hi
Both the kidneys have cyst which seems to be simple cyst, for which presently nothing is to be done. But ya, a ct scan with contrast will confirm that they are simple cyst or not.
2ndly that mass in the bladder, Until proven otherwise, its tumor /cancer of bladder
For which you need surgical treatment
Prostate treatment is separate which will continue with medicines
Next Steps
KFT and Ct urography is required, and please consult a urologist at the earliest