NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,128 terms related to cancer and medicine.
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- median survival
- listen (MEE-dee-un ser-VY-vul)
- The length of time from either the date of diagnosis or the start of treatment for a disease, such as cancer, that half of the patients in a group of patients diagnosed with the disease are still alive. In a clinical trial, measuring the median survival is one way to see how well a new treatment works. Also called median overall survival.