Preservation surgery in patients with localized renal cell cancer--nephron sparing surgery.

Introduction: Renal Cell Cancer ( RCC) is third most frequent urological cancer behind Prostate cancer and Bladder cancer. It represents 2-3 % of all cancers with annual increase in incidence of 2% in Europe (except Denmark and Sweden) and worldwide. Surgery is the only curative procedure, performed as radical nephrectomy (RN) or partial nephrectomy (nephron sparing surgery-NSS).