Figure 2From: SIRT1 expression is associated with lymphangiogenesis, lymphovascular invasion and prognosis in pN0 esophageal squamous cell carcinomaKaplan-Meier survival analysis of ESCC patients. Disease-free survival stratified by SIRT1 expression (a), LVD (b), LVI (c). Overall survival stratified by SIRT1 expression (d), LVD (e), LVI (f).Back to article page