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.
An intensity modulated proton plan treating a pancreas head cancer with a two posterior oblique field approach. (A) Monte Carlo physical dose (MCD) wash; (B) predicted Monte Carlo based biologic effective dose (MCB). Notice the enhanced buildup of dose between 110% to 120% of prescription dose (red-yellow) beyond the target and into the transverse colon and pylorus (arrows).
