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. Author manuscript; available in PMC: 2015 Dec 30.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2013 Feb 20;85(5):1307–1311. doi: 10.1016/j.ijrobp.2012.11.022

Fig. 1.

Fig. 1

(A) Overall survival for high-grade and low-grade tumors. (B) Progression-free survival (PFS) for high-grade versus low-grade tumors (P=.13).