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Kaplan–Meier plot of local recurrence free survival probability from SBRT as a function of BED 10 Gy, median survival times for BED 10 Gy <59.5 Gy versus median survival times for BED 10 Gy >72 Gy, (p = 0.05). Censored data are marked on the graph. The number of patients at risk is presented as well. BED, biologically effective dose.
