CAPRIN1 and esophageal squamous cell carcinoma: Caprin-1 expression was negatively associated with OS in 81 ESCC patients (HR = 0.30, 95% CI: 0.11–0.81, P = 0.012; Fig. 1E) and was significantly positively associated with OS in 80 EA patients (HR = 2.48, 95% CI: 1.28–4.81, P = 0.006; Fig. 1F) in TCGA database.