A Study of Definitive Therapy to Treat Prostate Cancer After Prostatectomy

To assess the safety of treating men with oligometastatic prostate cancer with the following therapy: (1st) Systemic chemo-hormonal therapy with up to 6-months (\~24 weeks) of adjuvant androgen deprivation and up to 6 cycles of chemotherapy, (2nd) definitive local tumor control with adjuvant radiation therapy, and (3rd) consolidative stereotactic radiation to oligometastatic lesions. The men will receive a total of 2 years of androgen deprivation. Androgen blockade will be the same throughout the course of treatment.