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.
Mean of all patient specific margins calculated for each axis after 2–15 fractions for an adaptive strategy using a single estimate of systematic error (Equation 1) and using a cumulative estimate (Equation 2), as well as population margins to contain 90% of motion in each axis (horizontal lines).
