When most people think about cancer, they think about chemotherapy, surgery and radiotherapy. Now a survey by the Teenage Cancer Trust has revealed that eight out of 10 young people find the mental health impact of cancer as hard to deal with as the treatment itself. Yet half of all teenagers with cancer do not receive the psychological help they need. The charity is now asking the government to include this in its plans for children’s mental health. We have been speaking to two young people, Ellie and Billy, about how they felt and how they have coped.