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. 2015 Oct 19;6(41):44019–44029. doi: 10.18632/oncotarget.5806

Figure 2. Kaplan-Meier survival curves for the IMRT alone arm and the IMRT plus cisplatin-based concurrent chemotherapy arm in the propensity-matched cohort of 482 patients.

Figure 2

A. overall survival; B. distant metastasis-free survival; C. locoregional relapse-free survival. IMRT = intensity-modulated radiotherapy. P values were calculated using stratified log-rank test by matched pairs.