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Patient case 2, 15MV VMAT plan measured with EPID attached to the gantry: (a) Isodose line overlay of EPID measurement and TPS calculation; (b) In-plane profiles of EPID, PTW729 measurements and TPS calculation; (c) 2mm/2% γ-index (between EPID measurements and TPS calculation) distribution map; and (d) Cross-plane profiles of EPID, PTW729 measurements and TPS calculation.
