Female has blood in urine past four years

Patient: Hi I am a 46 year old female. I recently had a full physical. Pap smear, cardiologist, blood work urine check mamogram a full work up. I am healthy. Although I have had sporatic bleeding in my urine on and off for thye past 4 years. Until recently it was gone for 1 year. Every time i go to the bathroom there is blood. I am totally painless. Thanks