What is the risk ratio of cystitis cystica et glandularis (cceg) turn into bladder cancer? are there medicines and natural ways to inhibit this?

Rare risk : Cccg of the bladder: caused by or associated with longstanding chronic inflammation or infection of the bladder lining. Two histological types: common and intestinal. Latter associated with adenoca bladder but unclear whether cccg is truly a precursor of adenoca. Bulk of the evidence does not support a pathogenesis relationship between the former and the latter. Rx: eradicate inflammation.