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".
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From pensioners to first-time buyers to public sector workers, a rundown of how today's Autumn Statement and Spending Review affect you.
Patchy, light rain and drizzle will continue this afternoon. Brightening from the west later. A mild and dry night to come.
With the Welsh Government expecting major reductions to its spending budget, those working in education are concerned.