Editorial
Copyright ©2010 Baishideng Publishing Group Co.
World J Gastrointest Surg. Nov 27, 2010; 2(11): 373-380
Published online Nov 27, 2010. doi: 10.4240/wjgs.v2.i11.373
Figure 1
Figure 1 External beam radiotherapy beam portal arrangement showing a six field approach to irradiating the post-operative bed and regional lymphatic region planning target volume at risk. PTV: Planning target volume.