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. Author manuscript; available in PMC: 2016 Mar 10.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2015 Apr 30;92(4):935–944. doi: 10.1016/j.ijrobp.2015.02.048

Fig. 2.

Fig. 2

Kaplan-Meier curves for overall survival of risk groups, based on the predicted probability for the external validation cohorts from (A) Y (n=174) and (B) Z (n=130). RT = radiation therapy.