Marginal zone lymphoma (MZL) comprises a group of indolent (slow growing) mature B-cell non-Hodgkin lymphomas (NHLs). MZL is generally considered a chronic and incurable disease. With an annual incidence of approximately 8,200 newly diagnosed patients in the United States1,2, MZL is the third most common B-cell NHL, accounting for approximately ten percent of all NHL cases. MZL consists of three different subtypes: extranodal MZL of the mucosal-associated lymphoid tissue (MALT), nodal marginal zone lymphoma (NMZL), and splenic marginal zone lymphoma (SMZL)3.

Follicular lymphoma (FL) is typically an indolent form of non-Hodgkin lymphoma (NHL) that arises from B-lymphocytes. It is the second most common form of NHL. FL is generally not curable and is considered a chronic disease, as patients can live for many years with this form of lymphoma. With an annual incidence in the United States of approximately 13,200 newly diagnosed patients1,2, FL is the most common indolent lymphoma accounting for approximately 17 percent of all NHL cases4.

1. National Cancer Institute. SEER Cancer Statistics Review 2008-2017: Non-Hodgkin Lymphoma. Table 19.26. Accessed January 19, 2021. 2. National Cancer Institute. SEER Cancer Stat Facts: Non-Hodgkin Lymphoma. Accessed January 19, 2021. 3. Lymphoma Research Foundation: Marginal Zone Lymphoma 4. Lymphoma Research Foundation “Follicular Lymphoma”