Final answer:
The patient would be placed in a Low lithotomy position for a Radical perineal prostatectomy.
Step-by-step explanation:
The patient would be placed in a Low lithotomy position for a Radical perineal prostatectomy. This position involves the patient lying on their back with their legs raised and supported in stirrups. The procedure is performed through an incision made in the perineum, between the scrotum and anus.