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.
Spacing effect of HGI and brachytherapy dose distribution. CT image prior to HGI shows part of the rectum (R) still attached to the tumor surface (a). CT image after needle insertion and gel injection (b) and the treatment plan (c) show the rectum shifted safely away from the target.
