Patients battling blood cancers (like leukemia and lymphoma) and blood disorders (like aplastic anemia and sickle cell anemia) often need a blood stem cell transplant in order to be cured and live out their dreams. With a simple cheek swab, an understanding of what it means if found to be a matching donor, you can enter the donor pool: be a hero in waiting. YOU just might be the ONE who can give a patient a second chance at life!