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Planning computed tomography (CT) of the brain fused with magnetic resonance imaging (MRI) T2 fluid-attenuated inversion recovery (FLAIR) in the axial plane. Planning target volume (pink) covered at 24 Gy (green – 100% isodose line) with photon energy of 6 MV using 3 arcs in an intensity modulated radiation therapy (IMRT) approach. (A) Patient case 1. (B) Patient case 2.
