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(A-B) MRI showing the irradiation field used in the first line therapy. The intensity of the irradiation field is shown in color. The gradation is from 20 Gy (blue) to 59.4 Gy (red). (C-D) MRI showing the irradiation field used in the targeted therapy. The gradation is from 20 Gy (blue) to 44 Gy (red). The white arrow indicates a skull metastasis, the dark circle and the dark arrow indicate a dural lesion.
