Yes, patients diagnosed with localized prostate cancer can achieve a full clinical recovery and long-term cure, particularly when the disease is caught in its earliest stages before spreading beyond the prostate capsule. Standard definitive treatments—such as radical prostatectomy or radiation therapy—boast exceptionally high five-year and ten-year relative survival rates approaching nearly 100% for localized and regional stages. Regular post-treatment monitoring ensures that any biochemical recurrence is caught and treated promptly.