Hi I am a man 48years old with any therapeutic program. I had microscopic hematuria for 1 month. Then I had no problem for 2 weeks but this week , hematuria has started . I have normal levels of Ca, Bun, cr, IgA , Na,K, Alp,AST,ALT,PSA, Free PSA. In 24 hours URINE, Cr, Ca, citrate , cystein,protein are normal , but oxalate is increased and RBC: 3-4, WBC:1-2, Blood: trace. Sonographi,BP, and KUB are normal. Please guide me.