Figure 1

Isodose distributions and DVHs for a lung lesion generated from three different planning techniques and two MLC systems. A1 through A6 are axial isodose distribution corresponding to M120 MLC IMRT, M120 MLC 3DCRT, M120 MLC DCA, HD120 MLC IMRT, HD120 MLC 3DCRT, and HD120 MLC DCA plans, respectively.