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.
The average difference in clinical target volume D99% between simulated plans in Group 2 and nominal plans for the spot size errors (±10%) in conjunction with spot position errors (±1 and ±2 mm). The results are averaged over all five patients.
