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Fig. 1 | Journal of Translational Medicine

Fig. 1

From: Association between postoperative radiotherapy for young-onset head and neck cancer and long-term risk of second primary malignancy: a population-based study

Fig. 1

Kaplan–Meier curves of overall survival according to the receipt of PORT A and the combination of PORT receipt and SPM development B Trends in PORT use proportion and EAR among 5 year survivors of index young-onset HNSCC in the SEER-9 database C Spearman correlation between PORT use proportion and EAR D PORT, postoperative radiotherapy; SPM, second primary malignancy; EAR, excess absolute risk; HNSCC, head and neck squamous cell carcinoma

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