Bjorn Borg has revealed that he has been battling “extremely aggressive” prostate cancer.

The disease is in remission after an operation in 2024 but the tennis legend, 69, said it could return devastatingly at almost any time.

Borg makes the revelation in his new autobiography, Heartbeats , which he wrote with his wife Patricia and is being published on Thursday.

The final chapter of the book addresses the condition. He writes that, because of the threat of the cancer returning, he is approaching his life “day by day, year by year”.

Borg also says that the disease was “at its most advanced stage” when it was picked up, and adds that he plans to “fight every day like it’s a Wimbledon final”.

As part of his promotional duties, Borg appeared on BBC Breakfast on Thursday morning and gav

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