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. 2018 Jan 4;15(3):3735–3745. doi: 10.3892/ol.2018.7732

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Copyright: © Li et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 8. — Line charts display the comparison of (A) CI and (B) HI between VMAT and IMRT plans in 4 patients (indicated by different lines) with central lung cancer in which the target volume does not encompass the mediastinal lymphatic drainage region. The horizontal axis represents the four different plans. The vertical axis represents values of CI and HI. CI, conformity index; HI, homogeneity index; VMAT, volumetric modulated arc therapy; IMRT, intensity-modulated radiation therapy; PA, partial arc; SA, single arc; 2PA, double partial arc.