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(A) Overall survival (OS) for the entire cohort taken from the time of initial diagnosis. (B) Overall survival (OS) for all 58 patients following re-irradiation with pulsed reduced-dose rate (PRDR). (C) Overall survival (OS) for all 58 patients from the time of first documented progression following initial intervention. (D) Progression-free survival (PFS) for all 58 patients from time of PRDR.
