Her prognosis is excellent and she plans to have the rest of her treatment in Paris, where she will work as a commentator for the French Open.

 She told ‘People’ magazine in the USA: "I went four years between mammograms. I let it slide. Everyone gets busy, but don't make excuses.

"I stay in shape and eat right, and it happened to me. Another year and I could have been in big trouble."

 Martina decided to go public with her diagnosis in order to encourage other women to go for screenings.

 A Stonewall study of lesbian health in 2008 found that 1 in 12 lesbian and bisexual women aged 50-79 have been diagnosed with breast cancer, compared to 1 in 20 of women in general.