Acute lymphoblastic leukemia (ALL) is the most common type of cancer in children. It affects certain cells in the immune system, called B cells and T cells. ALL usually affects B cells in children.
It's natural to feel worried when you learn your child has acute lymphoblastic leukemia, but keep in mind that almost all children can be cured of this disease.
B-cell ALL makes your child more likely to get infections, because he doesn't have the protection of those B cells.
The disease starts...