ABSTRACT THE EVALUATION OF FACTORS WHICH RELATED TO LEUKOCYTES INCREASED AFTER PERCUTANEOUS NEPHROLITHOTOMY IN PATIENT WITH RENAL STONE IN ARIFIN ACHMAD HOSPITAL PROV. RIAU By Elsa Nabila Background: Percutaneous nephrolithotomy (PCNL) is the preffered treatment of choice for renal calculi. PCNL has elvolved remarkably since the eighties when it was first described.the most common complicat…