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. 2019 Sep 19;12:7699–7711. doi: 10.2147/OTT.S220533

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© 2019 Tang et al.

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The calibration curves of nomogram for predicting overall survival (OS) at (A) one year and (B) three years. Nomogram-predicted probability of OS is plotted on the X-axis; actual OS is plotted on the Y-axis.