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. Author manuscript; available in PMC: 2019 Aug 11.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2018 Apr 14;101(5):1113–1122. doi: 10.1016/j.ijrobp.2018.04.017

Figure 1.

Figure 1.

Functional images of lung obtained using hyperpolarized xenon MRI for four example subjects: healthy volunteers with low and high correlations between ventilation and RBC transfer; the emphysema patient; and an example radiation therapy patient 6-weeks after finishing treatment.