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Pathology
A 66-year-old man visits his family physician with complaints of urinary frequency, hesitancy, and dysuria. Digital rectal examination reveals an enlarged prostate, and the consistency is rubbery and nodular. Serum PSA is modestly increased. Which of the following is most closely related to the pathogenesis of the likely disorder described here?
DHT
Estrogen
a-fetoprotein
Testosterone
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