|Genitourinary System: 67 y/o man with hematuria|
A 67 year old Caucasian man with a history of smoking (1 pack per day for 50 years) and hypertension presents with a complaint of bright red urine. He has had intermittent hematuria for the past year. He denies flank pain or any pain when urinating. Laboratory test results were unremarkable except for the urinalysis which had showed abundant red blood cells and rare white blood cells. Urine cultures were negative for bacteria.