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(Top) Dose-volume histograms for a typical liver SBRT case. (Bottom) Dose color washes for each plan type. The orange contours represent the PTV volume, and the blue represent the 50% isodose lines. cVMAT, coplanar volumetric modulated arc therapy; nVMAT, noncoplanar volumetric modulated arc therapy; PTV, planning target volume; SBRT, stereotactic body radiation therapy.
