Acute myeloid leukaemia is a cancer that arises in the precursors of myeloid cells in bone marrow. In normal circumstances, these form white blood cells.
Cirrhosis of the liver is progressive damage to liver tissue causing irreversible structural changes, usually as a result of hepatitis or excessive alcohol.
Acute lymphoblastic leukaemia is the most common childhood cancer. It affects stem cells in bone marrow (lymphoblasts) which mature into blood vessels.