Non-Hodgkin's lymphoma/Definition

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Non-Hodgkin's lymphoma [r]: Any of a group of malignant tumors of lymphoid tissue that differ from Hodgkin's disease, being more heterogeneous with respect to malignant cell lineage, clinical course, prognosis, and therapy. The only common feature among these tumors is the absence of giant Reed-Sternberg cells , a characteristic of Hodgkin's disease.

This definition is at least in part based on: Anonymous (2023), Non-Hodgkin's lymphoma (English). Medical Subject Headings. U.S. National Library of Medicine.