Immediate Postoperative Adjuvant Hormonal Treatment in High Risk Localised or Locally Advanced Prostate Cancer Patients.

Inclusion Criteria: * Localised with one of any high recurrence risk factors(Gleason score≥8 or preoperative serum PSA≥20ng/ml), or locally advanced(T≥pT3、N0M0 and any T、N（+）M0 ) Chinese prostate cancer patients confirmed histologically through radical prostatectomy either with laparoscopy or laparotomy within 1 month after surgery. Before the patient recruitment, the investigator has decided to prescribe immediate postoperative adjuvant hormonal treatment to the patient according to the Chinese routine practice. * Provision of written informed consent prior to any study specific procedures. Exclusion Criteria: * Patients must not enter the study if any of the following exclusion criteria are fulfilled * Have used neoadjuvant hormonal treatment prior to the surgery.