Research Article

Long-Term Evaluation and Normal Tissue Complication Probability (NTCP) Models for Predicting Radiation-Induced Optic Neuropathy after Intensity-Modulated Radiation Therapy (IMRT) for Nasopharyngeal Carcinoma: A Large Retrospective Study in China

Figure 3

A nomogram for predicting 3-, 5-, and 8-year RION-free survival (a); calibration curves of the nomogram (b) in the training and (c) the test sets. RION = radiation-induced optic neuropathy; Dmax = maximum point dose.
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