Screening for prostate cancer involves the examination of asymptomatic men, firstly by digital rectal examination (DRE) and a blood test of prostatic-specific antigen (PSA). Those men with a suspicious DRE or raised PSA are then investigated by ultrasound transrectally (TRUS) and/or biopsy, either randomly of the prostate or of suspicious areas.

Those who have the disease can then be staged and offered treatment, such as radical prostatectomy or radical radiotherapy, or monitored until they develop symptoms.

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