NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,894 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.

An agent made up of an immune substance, such as a monoclonal antibody, that is chemically linked to a cell-killing substance such as a toxin, a radioactive molecule, or a drug. The antibody part of the immunoconjugate targets cancer cells and the linked substance may kill the cells or make them visible in the body. Some immunoconjugates are used to treat cancer or to help find cancer cells in the body.