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.
Eclipse PBA IMRT calculation and measurement, medial-to-left lateral profile. The measured film values are means from three irradiations. The ±5%∕3-mm criterion bands indicate that the predicted dose underestimates the extent of penumbral broadening.
