前列腺癌是具最高5年存活率的癌症之一,即此类癌症患者中约有90%至少可存活5年,但因其高发病率以及其扩散前不易发觉,它至今仍是除肺癌外的第2大癌症死亡病因。当该肿瘤已转移,采用激素治疗可使肿瘤丧失赖以生存的睾酮,然而,即使在肿瘤尚未发展为激素难治型前列腺癌(HRPC)之前, Prostate cancer is one of the cancers with a survival rate of up to 5 years, that is, about 90% of such cancer patients can survive for at least 5 years. However, due to their high morbidity and their non-predisposition to spread, The second leading cause of death from cancer. When the tumor has metastasized, hormonal therapy can deprive the tumor of the testosterone that survives, however, even before the tumor has developed into hormone refractory prostate cancer (HRPC)