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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Terapia primaria

Primary therapy (PRY-mayr-ee THAYR-uh-pee)
Initial treatment used to reduce a cancer. Primary therapy is followed by other treatments, such as chemotherapy, radiation therapy, and hormone therapy to get rid of cancer that remains. Also called first-line therapy, induction therapy, and primary treatment.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.