Fig. 3

Meta-analysis on the prognostic significance of mTOR/p-mTOR expression for OS, DFS and CSS in patients with ESCC. CI, confidence interval; CSS, cancer-specific survival; DFS, disease-free survival; ESCC, esophageal squamous cell carcinoma; HR, hazard ratio; mTOR, mammalian target of rapamycin; p-mTOR, phosphorylated mammalian target of rapamycin; OS, overall survival