3 year old George Rooza was diagnosed with the life threatening condition in January, and his family are appealing for help to fund a new play area.
George will be doing rounds of chemo for the next three years before there's a prospect of recovery.
The treatment's knocked out his immune system meaning he can't go outside, making their garden his only safe outdoor space.
Mum Lisa, Dad Damien and siblings Oliver and Harriet want to build a fully accessible play ground for George so he can get outside during his treatment.
Speaking to Wire Lisa said:
"George has gone through quite a lot of Chemotherapy, he's been on steroids, he's had no immune system we've been trapped indoors quite a lot. He's been back and forth we've stayed a lot in hospital as well. It's been a big change for us as a family"
"I think people just expect you to curl up in a ball and cry about it sometimes and don't get me wrong there has been times where we have. But you have to find strength where you didn't know you had, you've got to be positive and get on with things otherwise think how much it would effect the other children"
People have already started giving what they can to try and make the play area a reality and Lisa said
"Their help goes so far they don't realise it. Knowing that people are thinking about us and trying to help George and help us as a family has really touched us. We can't thank them enough"
Hear the full interview here:
You can support George and family here