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Treatment plan from a selected patient. A, GTV (red, 0.71 cm3) and PTV (pink, 35.37 cm3) shown in 3D body; (B) GTV and PTV shown in a selected slice of CT; (C) field arrangement in 3D body; and (D) dose distribution within a selected slice of X-ray computed tomography (CT). GTV indicates gross tumor volume; PTV, planning target volume.
