Real-World Efficacy and Safety of Sintilimab-Based Regimens against Advanced Esophageal Cancer: A Single-Center Retrospective Observational Study

Figure 2

Survival analysis in 50 patients. (a) Kaplan–Meier curves of progression free survival (PFS) for the entire study cohort. (b) Kaplan–Meier curves of overall survival (OS) for the entire study cohort. (c) Kaplan–Meier curves of PFS for the patients with or without radiotherapy. (d) Kaplan–Meier curves of OS for the patients with or without radiotherapy.

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