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. 2017 Aug 25;7(5):803–807. doi: 10.3892/mco.2017.1392

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Copyright: © Nakaya et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 2. — (A) Kaplan-Meier graphs for PFS. Median PFS was 4.8 months (range, 3.8–5.6 months). (B) Kaplan-Meier graphs for OS. Median OS was 18.2 months (range, 10.4 months; data not presented). (C) Kaplan-Meier graphs for the PFS of patients with advanced non-squamous cell carcinoma and squamous carcinoma. The median PFS for non-squamous was 5.1 months (range, 4.0–6.7 months), and for squamous it was 3.8 months (range, 3.4–5.6 months). There was no statistically significant difference (P=0.456). (D) Kaplan-Meier graphs for the PFS of patients with second-line and post-second-line therapy. The median PFS for second-line was 4.0 months (range, 2.1–9.2 months), and for post-second-line this was 4.9 months (range, 3.8–5.8 months). There was no statistically significant difference (P=0.541). PFS, progression-free survival; OS, overall survival.