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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Supervivencia sin enfermedad

Disease-free survival (dih-ZEEZ ser-VY-vul)
The length of time after treatment for a specific disease during which a patient survives with no sign of the disease. Disease-free survival may be used in a clinical study or trial to help measure how well a new treatment works. Also called DFS and disease-free survival time.

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