This article needs to be updated. Please help update this article to reflect recent events or newly available information.(April 2020)
This article is missing information about healthcare quality as a whole. Please expand the article to include this information. Further details may exist on the talk page.(March 2019)
The 5-year observed survival rate refers to the percentage of patients who live at least five years after being diagnosed with cancer. Many of these patients live much longer than five years after diagnosis.