A Part of the University of Maryland Medical Center

Connect with UMGCC
Facebook Twitter YouTube Blog iPhone
Email PageEmail page Print PagePrint page

Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Supervivencia sin evolución

Progression-free survival (pruh-GREH-shun ser-VY-vul)
The length of time during and after treatment in which a patient is living with a disease that does not get worse. Progression-free survival may be used in a clinical study or trial to help find out how well a new treatment works. Also called PFS.

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