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Figure 4: DVH comparison of parotid glands. Solid lines: VMAT; dashed lines: IMRT; blue color: left parotid; green color: right parotid. DVH: Dose volume histogram, IMRT: Intensity-modulated radiation therapy, VMAT: Volumetric-modulated arc therapy

Figure 4: DVH comparison of parotid glands. Solid lines: VMAT; dashed lines: IMRT; blue color: left parotid; green color: right parotid. DVH: Dose volume histogram, IMRT: Intensity-modulated radiation therapy, VMAT: Volumetric-modulated arc therapy