NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,470 terms related to cancer and medicine.
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- mean survival
- listen (meen ser-VY-vul)
- The average length of time from either the date of diagnosis or the start of treatment for a disease, such as cancer, that patients diagnosed with the disease are still alive. In a clinical trial, measuring mean survival is one way to see how well a new treatment works.