Surgery A 70 years old man with prostate cancer was given radiotherapy. The recurrence of the cancer is monitored biochemically by: A Androgens only B Prostate specific antigen and carcinoembryonic antigen C Prostate specific antigen only D ALP and CEA 💡 Explanation A 70 years old man with prostate cancer was given radiotherapy. The recurrence of the cancer is monitored biochemically by: ✓ Correct Answer: C. Prostate specific antigen only