Inclusion Criteria:  localized prostate cancer (stage: cT1-cT2, N0, M0) 4-6weeks after prostatectomy postprostatectomy prostate specific antigen (PSA) test below cured level incontinence one month after surgery ECOG score:0-1  Exclusion Criteria:  history of neoadjuvant hormonal therapy history of transurethral resection of the prostate (TUPR) history of operation on pelvis history of incontinence before prostatectomy