Читать книгу Fundamentals of Cancer Detection, Treatment, and Prevention - Surya K. De - Страница 38

For early detection of prostate cancer, physicians perform a digital rectal exam and a blood test called a prostate‐specific antigen (PSA) test. PSA is a chemical produced by the prostate gland, and elevated levels of it in the blood may indicate the presence of prostate cancer, although not definitely.