Ron Davies, from Beddau, says his cancer was easier to treat because it was detected early.
He's urging men in the 'at-risk' categories to talk to their GPs.
"Two factors that are significant are ignorance and embarrassment" he told ITV News.
"Speak to your GP - men over the age of 50 should be having that conversation with their GP, even though they might not be showing any signs or symptoms".
More top news
The decision by Scottish people to remain with the United Kingdom has started a process of change which is still likely to happen quickly.
Friday is shaping up to be a lovely day in the north, but it's not looking quite so summery in the south!
The Met Office has issued a yellow warning to be aware of heavy rain overnight