Figure 1.
Carbon beam irradiation room (room B) with a couch, vertical and horizontal beam ports, and X‐ray imaging devices (lateral and frontal X‐ray tubes and flat‐panel detectors).
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.