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. 2019 Jul 10;10(18):4226–4236. doi: 10.7150/jca.33367

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OS and CSS for the high-grade LCNEC and SCLC patients without surgery in matched groups using Kaplan-Meier analysis and log-rank test. (A) OS: LCNEC vs. SCLC, P = 0.97; (B) CSS: LCNEC vs. SCLC, P = 0.75. Abbreviations: LCNEC, large cell neuroendocrine carcinoma; SCLC, small cell lung carcinoma; OS, overall survival; CSS, cancer-specific survival.