We are creating the world's most trusted encyclopedia and knowledge base. Once you join us and log in, you'll be able to edit this page instantly!

From Citizendium, the Citizens' Compendium

Lymphomas are malignancies of the lymphoid immune cells. Normally, these malignancies reside in the lymph tissue, but can circulate in free blood. Lymphomas are broken into groups based on histology, the main two classes being Hodgkin's and Non-Hodgkin's lymphomas.