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Figure 2 | Radiation Oncology

Figure 2

From: The sensitivity of gamma-index method to the positioning errors of high-definition MLC in patient-specific VMAT QA for SBRT

Figure 2

Decreases of the absolute gamma passing rates according to the magnitudes of MLC misalignments. The results at Class Out, Class In and Class Shift using MapCHECK2 in lung stereotactic body radiation therapy (SBRT) plans are shown in (a), (e) and (i) while those in spine plans are shown in (b), (f) and (j), respectively. The results at Class Out, Class In and Class Shift using EBT2 films in lung SBRT plans are shown in (c), (g) and (k) while those in spine plans are shown in (d), (h) and (l), respectively.

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