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. Author manuscript; available in PMC: 2013 Dec 19.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2012 Nov 1;84(3):10.1016/j.ijrobp.2012.04.040. doi: 10.1016/j.ijrobp.2012.04.040

Fig. 2.

Fig. 2

Kaplan-Meier curves for local progression-free survival. Patients are sorted by 2-year tumor control probability (TCP) into 3 groups. Log-rank test demonstrates a statistically significant (P<.01) separation between each curve.