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.
Ratios of machine measurement and treatment planning system–calculated values broken down by treatment planning system and energy. 6 × 6, 10 × 10, and 20 × 20 cm2 represent the field size for percentage depth dose measurements. Abbreviations: EDW = enhanced dynamic wedge; IMRT = intensity modulated radiation therapy; OAF = off-axis factor; OF = output factor; SBRT = stereotactic body radiation therapy.
