NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,208 terms related to cancer and medicine.
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- A protein found on B cells (a type of white blood cell). It may be found in higher than normal amounts in patients with certain types of B-cell lymphomas and leukemias. Measuring the amount of CD20 on blood cells may help to diagnose cancer or plan cancer treatment. CD20 is a type of tumor marker. Also called CD20 antigen.