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
In today's Newsweek Wales, Carl talks to Dr David Bailey from The BMA about how to ease the pressure on the Welsh NHS.
Plans to open a branch of Sainsbury's in a new development in a Pembrokeshire town have been criticised by local businesses.
More than half a million people are expected to take part in this weekend's 'Big Garden Birdwatch', organised by the RSPB.