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.
CIRS dynamic thorax phantom. The cylindrical insert in the lung portion can move in the Y direction. A spherical plastic ball filled with 18F-fluorodeoxyglucose solution can be placed in the hole in this cylindrical insert to mimic the tumor uptake. The marker block holder is used to place the Varian RPM marker block for motion tracking. The holder motion is in the Z direction and mechanically coupled with the cylindrical insert motion.
