anemia , easy bruising, bleeding and
  sometimes infections. Without
  treatment, people with acute leukemia
  have an average survival of three to five
  months after diagnosis.

• Chronic  Chronic leukemia usually
  involves the white blood cells , although
  the red blood cells may rarely be
  involved. Unlike acute leukemia, the
  leukemic cell clone involved in chronic
  leukemia does show all stages of
  maturation, with only a few blast forms.
  But even though they appear normal,
  the cells are abnormal. They do not
  function like normal cells. The white
  cells, for example, are not able to help
  fight infection. Because the bone