Pronunciation: (dih-ZEEZ ... ser-VY-vul)
In cancer, the length of time after primary treatment for a cancer ends that the patient survives without any signs or symptoms of that cancer. In a clinical trial, measuring the disease-free survival is one way to see how well a new treatment works. Also called DFS, relapse-free survival, and RFS.
Source: NCI Dictionary of Cancer TermsDate last modified: 2012-08-15