Choosing between surgical removal of the prostate (radical prostatectomy) and definitive radiation therapy involves weighing distinct benefit and side-effect profiles, as long-term cancer control rates for localized prostate cancer are broadly comparable between both modalities. Surgery completely removes the prostate gland, providing definitive pathological staging and making it easier to salvage with subsequent radiation if a recurrence occurs later. Radiation therapy avoids surgical recovery risks, general anesthesia, and immediate urinary incontinence, but it carries a risk of late gastrointestinal or urinary irritation and delayed secondary side effects. Patient lifestyle preferences and age heavily influence this personal medical decision.