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Purpose: We analyzed changes to the trends of prostate cancer management and patient characteristics at a single institute during 5 years due to the significant increase of the prostate cancer incidence and the robotic equipment in Korea. Materials and Methods: Prostate cancer patient data from a single institute recorded from 2006 to 2010 were analyzed. Cancer stage, initial treatment modalities, and the pattern of outpatient clinical management were reviewed. Results: Between 2006 and 2010, 386 prostate cancers were newly diagnosed at the institute. The proportion of localized and locally advanced cancer cases increased from 67% in 2006 to 79% in 2010 respectively. Among the treatment choices during follow-up in the out-patients clinic, the proportion of radical prostatectomies increased from 43% in 2006 to 62% in 2010. In contrast, the proportion of hormone therapies decreased from 58% to 37%. For initial treatment choice, radical prostatectomy was chosen for 59% of the patients who were newly diagnosed with cancer during the study period. However, hormone therapy alone was administrated as a primary therapy to 26%. Analysis of the radical prostatectomy subgroup showed that a robot-assisted technique was used in 83% of the patients, and the remaining 17% underwent an open radical prostatectomy. Conclusion: As the prostate cancer incidence increased in Korea, the proportion of localized and locally advanced cancer also increased. In addition, the main treatment modality changed from non-surgical treatment to radical prostatectomy.