Single Biggest Cancer Dictionary in the World

What is

progression-free survival

?

Pronunciation: /prəˈgrɛʃən fri sərˈvaɪvəl/

progression-free survival

Definition

The length of time during and after the treatment of a disease, such as cancer, that a patient lives with the disease but it does not get worse. In a clinical trial, measuring the progression-free survival is one way to see how well a new treatment works. Also called PFS.