Lymphomas are cancers that originate in white blood cells called lymphocytes. The two main types of lymphoma are Hodgkin lymphoma (HL) and non-Hodgkin lymphoma (NHL). NHL is the 11th most common cancer worldwide with 544,000 new diagnoses in 2020. 304,000 men were diagnosed, and 240,000 women were diagnosed. NHL incidence rates vary globally, and Slovenia had the highest rate in the world, with the United States ranking #11.1
A few risk factors for Non-Hodgkin Lymphoma (NHL) include:2
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