Mum says getting leg amputated was the best thing she ever did after becoming a Tough Mudder contestant and model once cancer-hit limb was removed

A mum who begged doctors to remove her cancer-stricken leg says it was the best decision she ever made and has since become a model and fitness fanatic – taking part in one of the world's toughest obstacle courses. Kristy Wimberly, 33, from St Louis, Missouri, was diagnosed with a rare spinal cord tumour called…

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