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Dictionary of Cancer Terms

View in Spanish: Mediana del tiempo de supervivencia

Median survival time (MEE-dee-un ser-VY-vul …)
The time from either diagnosis or treatment at which half of the patients with a given disease are found to be, or expected to be, still alive. In a clinical trial, median survival time is one way to measure how effective a treatment is. Also called median overall survival and median survival.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.