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The Kaplan-Meier estimate of overall survival (OS) in the 59 study eligible patients. The dashed lines represent the 95% confidence interval (CI) about each successive estimate of the survival rate. The median OS was 23.6 months (95% CI, 20.7–34.2 months). The 2-year OS rate was 49% (95% CI, 34–63%). The 3-year OS rate was 33% (95% CI, 9–56%).
