Figure 4From: 3D-CT implanted interstitial brachytherapy for T2b nasopharyngeal carcinomaFive-year actuarial survival curves for patients treated with ERT/3D-HDR-BT vs. ERT: (a) overall survival (OS); (b) disease-free survival (DFS); (c) distant metastasis-free survival (DMFS); and disease-specific survival (DSS).Back to article page