A teenage girl has ‘bizarrely’ suffered from cancer symptoms since her identical twin was diagnosed in 2017 - despite not having the disease herself.br br Sophie Walker, 16, was diagnosed with a Wilms tumour - a type of kidney cancer - on October 25 2017, and started a four-week course of chemotherapy shortly after.br br In the five years since, she has gone into remission twice - but relapsed four times. Throughout this time, her twin sister, Megan, has been experiencing many of the same symptoms.br br After Sophie was diagnosed following stomach bug-like cramps, Megan began experiencing similar symptoms - including stomach and back pain, paleness - even weight loss.