Kyongkyu Lee

1. Introduction Prostate cancer has the highest incidence among male cancers in the United States, with 164,690 new cases that were diagnosed in 2018 [1]. In Korea, in 2018, 14,857 individuals were diagnosed with prostate cancer, which has the fourth highest incidence among male cancers [2]. Surgical resection and radiation therapy are usually used to treat local prostate cancer, and androgen deprivation therapy is applied as the first-line treatment for metastatic prostate cancer.