Hello.I Am a 31 years old man, non smoker ( one or two cigarettes in 1-2 months for fun).Last year in April I had 2 episodes of blood in urine :one in the evening (the urine was red),and one next morning (the urine was brown).I hand no other symptoms.At that time I made a urine and blood test and everything was OK.Since then I had no blood in my urine.Last week I made a new urine test and it is OK. My only concern is that this symptom can be a symptom of a kidney cancer? Or for a kidney cancer after one and a half year, should I have new symptoms?
P.S. The only symptom I had since the is a slight fever( 37.5-38C) for 3-4 days.