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. Author manuscript; available in PMC: 2009 Mar 15.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2008 Mar 15;70(4):1002–1010. doi: 10.1016/j.ijrobp.2007.08.020

Figure 5.

Figure 5

Dose-dependency of the perpendicular diffusivity (λ⊥) in the genu 3 weeks (solid triangles) and 19 weeks after the start of RT (open circles) with the solid lines representing the linear regression fits. The shorter solid line is the linear regression fit at 3 weeks and the longer line is the regression fit at 19 weeks from start of RT. Note that the regression line at 3 weeks was similar to the one at 19 weeks with respective slopes of 0.06 and 0.07 ×10−6mm2/s per Gy, suggesting that doubling the dose also doubled the effect of radiation on the genu.