Lord David Cameron has revealed he was diagnosed with, and successfully treated for, prostate cancer in the past year.

The former prime minister also declared his support for a targeted screening programme for the UK’s most common cancer in males.

Here the PA news agency examines symptoms of the disease and forms of treatment.

– What is prostate cancer?

Prostate cancer is the most common cancer affecting men and usually develops slowly over many years.

Cancer cells begin to grow in the prostate, the small gland found just below the bladder, that helps make semen.

Symptoms of prostate cancer do not usually appear until the prostate is large enough to affect the urethra, which is the tube carrying urine from the bladder out of the penis.

Around 55,000 men are diagnosed with the diseas

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