Fig. 5From: Prognostic value of functional SMAD4 localization in extrahepatic bile duct cancerKaplan–Meier survival curves for 33 patients with recurrence after surgery. a Survival curves stratified by SMAD4 expression at the central lesion and b the invasion front. Solid line, SMAD4 low expression; dashed line, SMAD4 high expressionBack to article page