Leukemia is a blood cancer, and blood cancers account for about 10% of all new cancer diagnoses each year. Leukemia is also the most common cancer occurring in children and teens, representing about 1 in 3 new cases each year.

Leukemia is a blood cancer, and blood cancers account for about 10% of all new cancer diagnoses each year. Leukemia is also the most common cancer occurring in children and teens, representing about 1 in 3 new cases each year.