Two tests are used to look for prostate cancer: a digital rectal exam and a PSA blood test.
The PSA blood test looks for something called prostate-specific antigen in the blood. Who should have a PSA test and when is controversial:
The U.S. Preventive Services Task Force does not recommend regular PSA tests. The task force say the tests may find cancers that are so slow growing that treatment, which can have serious side effects, would offer no benefit.
The American Cancer Society (ACS)...
Radiation therapy, also called X-ray therapy, is used to treat cancer cells
only in the treated area. Various techniques are used to deliver this
type of treatment. Find out what to expect in this overview article.