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.
Apparent diffusion coefficient maps before (top) and after (bottom) radiation therapy for a 4-year-old girl with brainstem glioma. The ratio of the diffusion value within the tumor normalized with frontal white matter demonstrates a 41% decrease in values, with a longer progression-free survival duration of 602 days.
