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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



immunotherapy  listen  (IH-myoo-noh-THAYR-uh-pee)

  A type of biological therapy that uses substances to stimulate or suppress the immune system to help the body fight cancer, infection, and other diseases. Some types of immunotherapy only target certain cells of the immune system. Others affect the immune system in a general way. Types of immunotherapy include cytokines, vaccines, bacillus Calmette-Guerin (BCG), and some monoclonal antibodies.