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Fig. 4 | Radiation Oncology

Fig. 4

From: Evaluation of multiple institutions’ models for knowledge-based planning of volumetric modulated arc therapy (VMAT) for prostate cancer

Fig. 4

Quadratic regressions curves between lower limit of estimate dose (ED) and ratio of an OAR’s volume overlapping with PTV to the whole organ volume (Voverlap/Vwhole) for the rectum and bladder with the formulas for all institutes. The horizontal axis is the Voverlap/Vwhole for the rectum (a, b) and bladder (c, d). The vertical axis is the volume receiving 90% of the prescribed dose (V90) to the rectum (a) and bladder (c). The vertical axis is the volume receiving 50% of the prescribed dose (V50) for the rectum (b) and bladder (d). The colors of the dotted lines represent institutes. (Blue: a, Orange: b, Gray: c, Green: d, and Yellow: e)

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