I have been diagnosed with a bladder toumour. With no symtom. I used to smoke once in a week about 9 mnths ago. But since 9 mnths i am not smoking atall. Wanted to know if this is the reason for the toumour to be formed in my bladder. Aside from that i urinate frequently ever since. I have pcod since a very long time which is under treatment. Please let me know if these toumours are caused due to smoking? Or if there can be some other reason for it.