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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2014 Oct 25;91(1):65–72. doi: 10.1016/j.ijrobp.2014.09.008

Figure 4.

Figure 4

Typical results for machine delivery log file QA. The tolerance was set to 0.5 degrees for gantry, 2 mm for MLC leaf positioning, and 0.2 sec for beam-on time. The 2D fluence passing rate was defined as the percentage of the pixels with delivery errors less than 2% of the maximum fluence in the field.