Thanks for your query.Based on the facts that you have posted it appears that you have a polyp in your bladder .
In majority of cases polyp is a benign tumour and cause of getting polyp is still unknown .
There is no medical line of treatment for polyp The only option is get it removed and send it for histopathological examination to rule out malignancy(Cancer).
Please do nor worry you can certainly wait ti you get appointment of Urologist
who do cystoscopic examination and remove the polyp.