... Radiation Oncology 2009, 4:22 Background Stereotactic body radiation therapy (SBRT) is a modern precision radiation therapy delivery concept characterized by one to five fraction delivery of ... distributions, the impact of MLC system was also investigated for commonly utilized static three-dimensional conformal radiation therapy (3DCRT), and dynamic conformal arc (DCA) planning techniques Hence, ... Extracranial stereotactic radioablation: Physical principles Acta Oncol 2003, 42:882-894 Nagata Y, Takayama K, Matsuo Y, Norihisa Y, Mizowaki T, Sakamoto T, Sakamoto M, Mitsumori M, Shibuya K, Araki...