Fig. 1From: Clinical use of tumor biomarkers in prediction for prognosis and chemotherapeutic effect in esophageal squamous cell carcinomaKaplan-Meier curves of the overall survival in patients with ESCC based on tumor biomarkers. a: CA 19–9; b: CA72–4; c: CEA; d: Cyfra21–1; e: SCC-Ag; f: CC scoreBack to article page