A mum at a routine appointment had her life turned upside down when her doctor discovered something sinister on her back. Karen Dickinson, 57, was seeing her osteopath about her arthritic knee, when they pointed out an irregular looking mole on her lower back. The next day the mum of two went to see her GP , who referred her for tests which revealed Karen had melanoma – the most serious form of skin cancer. Worst still, it had spread to her lymph nodes and she would need gruelling surgery. She