1.   Greenberg, now married, has been cancer-free for more than six years, even though the radiation increases his chances of developing leukemia in the future.

2.   The report noted that patients taking the drug for sickle cell are at slightly higher risk of developing leukemia.

3.   A new study released Friday said children playing on the beach near a French nuclear waste processing center in Normandy face a higher risk of developing leukemia.

4.   Also, the drug poses a small risk of irreversible heart damage and later developing leukemia, a long-term consequence of certain chemotherapies.