标签：Bone marrow transplant

Leukemia is a cancer of the blood. It is a type of cancer that starts in the bone marrow, where blood cells are made. Leukemia causes the bone marrow to produce too many white blood cells. These white blood cells are abnormal and do not work properly. They can crowd out healthy blood cells, such as red blood cells and platelets. This can lead to a number of problems, including anemia, bleeding, and infections. There are two main types of leukemia: acute and chronic. Acute leukemia is a fast-growing cancer. It usually affects children and young adults. Chronic leukemia is a slow-growing cancer. It usually affects adults. The symptoms of leukemia can vary depending on the type of leukemia and...