NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,777 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

B3 monoclonal antibody
(… MAH-noh-KLOH-nul AN-tee-BAH-dee)
A substance that binds to a molecule called Lewis Y antigen that is found on many types of tumor cells and some normal cells. It is being studied in the treatment of several types of cancer that express the Lewis Y antigen. It is a type of monoclonal antibody.