Pain in the right side kidney region, usually on urination and during movements (walking, climbing stairs). At other times, no pain is noticeable. Pain is not constant or severe or sharp. No other conditions or symptoms in other regions (abdomen, penis, testicles).
Urine test shows 1-2 puss cells, 2-4 Rbc and few EPC. Blood test showed Hb - 15, TC - 12,200; DC : P 76%, L 23%, E 1% ESR - 5 mm / 1hr
Please advice what could be the cause.