BRITISH and Irish Lions legend Sir Ian McGeechan has revealed he has been diagnosed with prostate cancer.

McGeechan, 78, has had to undergo asix-week course of radiotherapy at a hospital in Leeds following a blood test, reports the Telegraph.

The rugby legend has had a storied career as a player and coach.

Best known for his work as a coach,McGeechan was capped 32 times by Scotland and participatedin eight Tests for the Lions as a player.

He toured South Africa in 1974 and New Zealand in 1977 as a part of the British and Irish Lions.

McGeechan also coached the Lions on four tours toAustraliain 1989, New Zealand in 1993 and South Africa in both 1997 and 2009.