In 1981, Bob, 72, famously rode to glory at Aintree on Aldaniti just one year after beating testicular cancer.
Last month he set off on a charity walk, with each mile representing the number of days between his diagnosis and receiving the all-clear.
However, Bob had suffered from back pain and is now facing surgery to remove a kidney tumour.
He said: “I had a very bad back pain just before I started my walk and scans showed I have a tumour on my kidney which needs removing.
This story is from the May 11, 2021 edition of Daily Mirror.
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This story is from the May 11, 2021 edition of Daily Mirror.
Start your 7-day Magzter GOLD free trial to access thousands of curated premium stories, and 8,500+ magazines and newspapers.
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