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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Dan Lydiate will again captain Wales when Warren Gatland's men face England at Twickenham on Sunday.
The Wales Air Ambulance is just days away from moving into its new air base in Llanelli.
As fans prepare to go France for the Euros, research shows 30% of people are more likely to take risks abroad that they wouldn't at home.