This study is prospective evaluation of quality of life in men undergoing robotic assisted laparoscopic radical prostatectomy versus radical retropubic prostatectomy.

Preoperatively, enrolled patients will complete questionnaires called EPIC that will ask about urinary, sexual, bowel and hormonal function

At 1, 3,6,9 and 12 months after surgery, pateints will complete the questionnaires again.

All will be enrolled at Samsung Medical Center

Inclusion Criteria:

• Pathologic diagnosis of prostate adenocarcinoma
• Clinical stage: AJCC (VI) stage T1-T2 N0M0
• Primary treatment at Samsung Medical Center for prostate cancer using: radical retropubic prostatectomy, robotic prostatectomy

Exclusion Criteria:

• Clinical Stage: T3, T4, nodal or distant metastasis
• All kind of neoadjuvant, concurrent and adjuvant treatment
• poor health forced a patient into dropout

Patients diagnosed with prostate cancer