One of biggest problems when assessing radical surgery of prostatic cancer is progression of the locally advanced disease when lymph nodes are positive. The following questions should be asked: 1) if there are patterns of lymph node involvement 2) if retroperitoneal lymphadenectomy is indispensable in pre-operative clinical removal 3) if the prognosis, in relation to lymph node invasion, worsens with the increase in number of positive lymph nodes or if the lesion becomes bilateral. The authors’ experience is reported.