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(A) Actuarial locoregional recurrence-free (LRF) rates in all 87 patients with nasopharyngeal carcinoma by Kaplan–Meier method. A solid line: LRF curve. A broken line: 95% confidence interval. (B) Actuarial distant metastasis-free (DMF) rates in all 87 patients with nasopharyngeal carcinoma by Kaplan–Meier method. A solid line: DMF curve. A broken line: 95% confidence interval.
