Leukaemia is a type of blood cancer. There are different types of leukaemia and the treatment you need depends on the type. Get information about the main types here.
When you're looking for information about leukaemia, make sure you know which type you want to know about. Ask your doctor or specialist nurse if you aren't sure.
Philadelphia positive leukaemia is when you have a particular change in the chromosomes of the leukaemia cells. This can happen in ALL and CML. Find out more about these types of cancer.