Kate Smith has chronic myeloid leukaemia (CML), a type of blood cancer that affects a type of white blood cell called myeloid cells. A bruise Kate Smith suffered(Image: Blood Cancer UK)"I don't look poorly – it makes me feel like a fraud,” she said. Kate Smith(Image: Blood Cancer UK)“Having a serious illness that can’t be seen with your eyes is a battle in itself, especially mentally. “People with chronic myeloid leukaemia and other blood cancer conditions often feel invisible. “That’s why our campaign ‘We Know What It Takes’ is so vital for raising awareness among those people affected by blood cancer.”