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. Author manuscript; available in PMC: 2012 Sep 1.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2011 Jan 13;81(1):305–312. doi: 10.1016/j.ijrobp.2010.11.019

Fig. 2.

Fig. 2

Difference of registration shifts between the software system calculations and the submitted clinical values for prostate cases. X-axis represents different cases. The symbols with same X coordinate are for the same image dataset (case) calculated by different software systems. Cases 1-4 are from TomoTherapy CTrue. Cases 5-8 are from Elekta XVI. Cases 9-11 are from Varian OBI. Y-axis represents the magnitude of the differences. (a) Comparison in left-right dimension. To the patient’s left is positive direction. (b) Comparison in superior-inferior dimension. To the patient’s superior is positive direction. (c) Comparison in anterior-posterior dimension. To the patient’s anterior is positive direction.