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Fig. 2 | Radiation Oncology

Fig. 2

From: Radiotherapy for asymptomatic brain metastasis in epidermal growth factor receptor mutant non-small cell lung cancer without prior tyrosine kinase inhibitors treatment: a retrospective clinical study

Fig. 2

Impact of the timing of brain RT on overall survival (p = 0.246, n = 96): 39 patients were treated initially with brain radiotherapy (first-line RT), and 23 patients were administered RT when they exhibited brain disease progression (delayed RT). Thirty-four patients did not receive radiotherapy and remained asymptomatic until the last follow-up (no brain RT). Univariate analysis revealed that the timing of brain RT was not significantly related to OS (p = 0.246)

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