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Fig. 2 | Radiation Oncology

Fig. 2

From: The value of moderate dose escalation for re-irradiation of recurrent or second primary head-and-neck cancer

Fig. 2

Kaplan-Meier curves regarding OS (a) and PFS (b) of patients treated by re-irradiation for recurrent or second primary H&N cancer between 2010 and 2019 (n = 48). OS (c) and PFS (d) of patients treated by definitive re-irradiation (n = 31) or adjuvant re-radiotherapy (n = 17). Log-rank tests were performed to compare different groups

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