Fig. 3

Kaplan–Meier survival curves for patients with high PFN2 expression and those with low expression. a ESCC patients with high PFN2 expression (IS ≥ 4) experienced a significantly shorter survival period after surgery than those with low PFN2 expression (IS < 4) (P < 0.05). b Patients with high PFN2 expression had a greater risk of death than those with low PFN2 expression (P < 0.05)