A 72-year-old man has a PSA of 18 ng/mL. Prostate biopsy shows Gleason score 4+4=8 in 8 of 12 cores. Bone scan shows no metastases. Which treatment is most appropriate?
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A
Active surveillance
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B
Radical prostatectomy or radiation with androgen deprivation therapy
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C
Androgen deprivation therapy alone
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D
Observation with PSA monitoring