Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Change in 5-year survival rates by age and treatment era. Data adapted.3 Gray, improvement in survival for patients age 0 to 14 years between 1975 and 1998; light orange, improvement in survival for patients age 15 to 39 years between 1975 and 1998; light blue, improvement in survival for patients older than 40 years between 1975 and 1998.
