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. 2017 May 4;18(3):170–181. doi: 10.1002/acm2.12091

Figure 2.

Figure 2

Gamma passing rate results for VMAT planning with Edge linac (HD‐MLC). Note that the highest passing rates occur for the 0.090 cm DLG setting, and the optimal source size varies with DLG setting. For DLG value of 0.090 cm, the 0.50 mm source size results in the highest passing rate (mean ± SD passing rate of 97.51 ± 2.38%). The vendor‐recommended source size setting (1.00 mm) with the same DLG value (0.090 cm) yields a lower mean passing rate result with larger variation–mean ± SD passing rate 93.72 ± 4.96%.