Glossary Term:


non-Hodgkin lymphoma



formerly called non-Hodgkin’s lymphoma. A cancer of the lymphatic system (a network of thin vessels and nodes throughout the body that serves as part of the immune system). The difference between non-Hodgkin lymphoma and Hodgkin disease is the Reed-Sternberg cell, which is absent in non-Hodgkin lymphoma cells. See also Hodgkin disease, immune system, lymphatic system.