overall survival

Pronunciation: (oh-ver-AWL 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 patients diagnosed with the disease are still alive. In a clinical trial, measuring the overall survival is one way to see how well a new treatment works. Also called OS.

Source: NCI Dictionary of Cancer Terms

2012-06-14 Date last modified: 2012-08-15