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. 2015 Jan 8;16(1):284–297. doi: 10.1120/jacmp.v16i1.5238

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© 2015 The Authors.

This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Potential clinical impact of delivery errors: (a) dose distribution without error, (b) dose distribution for a 9° gantry angle error at 90°, (c) dose distribution for a 20 MU dose error at 90°, (d) dose‐volume histograms for the central 40 mm and 120 mm of the cylindrical phantom without error (thin solid lines), with a 9° gantry angle error at 90° (thick dotted lines), and a 20 MU dose error at 90° (thick solid lines). The phantom is homogeneous, and the central 40 mm and 120 mm are shown in grayscale in (a) to (c).