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Kaplan–Meier estimates of clinical outcome for very elderly esophageal cancer (EC) patients. (A) OS, LRFFS, and DMFS for total patients. (B) OS for NRI <100 and ≥100. (C) OS for NLR <2.5 and ≥2.5. (D) OS for AJCC stage I–II and III. (E) LRFFS for PGTV dose <60 and ≥60. (F) DMFS for chemotherapy and no chemotherapy.
