NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,659 terms related to cancer and medicine.

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relapse-free survival
(REE-laps … 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 relapse-free survival is one way to see how well a new treatment works. Also called DFS, disease-free survival, and RFS.