SU-F-T-437: 3 Field VMAT Technique for Irradiation of Large Pelvic Tumors.


PURPOSE VMAT treatment planning for large pelvic volume irradiation could be suboptimal due to inability of Varian linac to split MLC carriage during VMAT delivery for fields larger than 14.5cm in X direction (direction of leaf motion). We compare the dosimetry between 3 VMAT planning techniques, two 2-arc field techniques and a 3-arc field technique: a… (More)
DOI: 10.1118/1.4956622