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A comparison of two different treatment plans for the same patient with nasopharyngeal carcinoma illustrates the effect of the radiotherapy technique on the doses received by the mandible. (A) 3-dimensional conformal radiotherapy (3D-CRT), (B) Volume-modulated arc therapy (VMAT), (C) Dose-volume histogram for 3D-CRT, (D) Dose-volume histogram for VMAT, (E) Dosimetric measures for 3D-CRT, (F) Dosimetric measures for VMAT.
