I'm a GP who was diagnosed with bowel cancer at 39: I had a little-known symptom that meant the disease was only found by mistake, says DR PHILIPPA KAYE - this is what you MUST do if your GP refuses to take you seriously ⊖⊖

I was horrified to read about 23-year-old Milli Tanner, left, whose bowel cancer was dismissed 13 times by GPs who told her that she was too young to have the disease, writes Dr Philippa Kaye, right.