2. Leukemia is cancer of the
white blood cells. White blood
cells help your body fight
infection. Your blood cells
form in your bone marrow. In
leukemia, however, the bone
marrow produces abnormal
white blood cells. These cells
crowd out the healthy blood
cells, making it hard for blood
to do its work.

3. lymphoblastic
According the
blood cells
affected
myeloid
leukemia
Acute
How worse it is
chronic

5. Exposure to
genetic exposure
carcinogenic
predisposition to radiation
substances
chemotherapy
Smoke to treat
another cancer

6.  is usually based on repeated complete blood
counts and a bone marrow examination
following observations of the
symptoms, however, in rare cases blood tests
may not show if a patient has leukemia, usually
this is because the leukemia is in the early
stages or has entered remission. A lymph node
biopsy can be performed as well in order to
diagnose certain types of leukemia in certain
situations.

7.  Chemotherapy
 Radiations treatment
 Stem cells transplant
 Biological therapy.