Hello, I'm Oscar. I am ten years old and have been coming to Great Ormond Street Hospital for many years.
I have had two types of leukaemia and three bone marrow transplants. I am better now.
Watch my film from The X Factor show
Watch my slideshow
I didn't go to school for two years while I was having treatment, when I went back I showed my class a presentation about where I had been.
My interview with Dr Paul Veys
With the help of my Mum and Dad, I interviewed Dr Paul Veys (who is the Head of the Bone Marrow Transplant Unit) about how he and his team help kids like me.
Oscar's film on The X Factor
Watch the film of Oscar and his family, shown during the show on Sunday 15 November.
Oscar was recently guest editor of our
Lifeline supporter magazine.
