Lymphoma is the most common
form blood cancer in developed countries. Each year, there are more than 287 000 new cases of non-Hodgkin's
lymphoma worldwide. Lymphoma represents 55.6% of all hematological malignancy (blood cancers) in the United
States. According to the National Cancer Institute (NCI), it is estimated that 74,490 men and women (40,630 men
and 33,860 women) were diagnosed with lymphoma in 2009; about 20,790 died of the disease.