In chronic lymphocytic leukemia (CLL), the leukemia cell that starts the disease makes too many lymphocytes that do not function.These cells replace normal cells in the marrow and lymph nodes.

• 在急性髓细胞白血病和急性淋巴细胞白血病（急淋）中，初始的急性白血病细胞增殖形成万亿以上的白血病细胞。