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Dictionary of Cancer Terms

View in Spanish: Antígeno del cáncer 125

Cancer antigen 125 (KAN-ser AN-tih-jen)
A substance that may be found in high amounts in the blood of patients with certain types of cancer, including ovarian cancer. Cancer antigen 125 levels may also help monitor how well cancer treatments are working or if cancer has come back. Also called CA-125.



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