Leukemia is a systemic disease. Unlike cancers of the solid organs, there is no stage in Leukemia. However other tests will have to be done to look for the extent of the disease. This includes:-
The patient is then stratified into risk groups. This is to enable the doctor to plan treatment in order to achieve the best outome but at reduced toxicity. Several parameters are used to determine risk groups. These include age of patient, total white count at presentation, and involvement of central nervous system, initial response to treatment and presence of certain chromosomes such as the Philiadelphia chromosome.
Risk groups are described as:
Updated:: 13/09/2021 
Blok Utara, Pusat Pengajaran dan Latihan (Aras 1)
Hospital Sultan Abdul Aziz Shah
Persiaran Mardi - Upm,