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Kaplan-Meier curves for the survival of 261 patients with NSCLC. (A) Kaplan-Meier curve for the OS of NSCLC; (B) Kaplan-Meier curve for the DFS of NSCLC. Patients with stroma-poor tumors showed significantly increased OS, and DFS compared to patients with stroma-rich tumors. NSCLC, non-small cell lung cancer; OS, overall survival; DFS, disease-free survival.
