Crop?image_url=http%3a%2f%2fs3.amazonaws.com%2fproduction.calumet.good.is%2fphotos%2f180350%2foriginal%2f10leukemia1-articlelarge

Using the body's immune system to fight cancer.

She is the first child and one of the first humans ever in whom new techniques have achieved a long-sought goal — giving a patient’s own immune system the lasting ability to fight cancer.