NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,053 terms related to cancer and medicine.

A drug used together with another drug to treat certain types of B-cell non-Hodgkin lymphoma. It is also being studied in the treatment of other types of cancer. Tositumomab binds to a protein called CD20, which is found on the surface of B cells, and may kill cancer cells. It is a type of monoclonal antibody.