2. What is cancer?
• Cancer is a disease in which abnormal cells
divide without control and are able to invade
other tissues.
3. What is Leukemia?
• Leukemia is a cancer
that starts in blood-
forming tissue such
as the bone marrow
and causes large
numbers of abnormal
blood cells to be
produced and enter
the blood.
4. Types of Leukemia
• There are two types of Leukemia:
• Chronic leukemia : It can be CLL or CML.
• Acute leukemia: It can be
ALL or AML.