Figure 3From: A study of Smad4, Smad6 and Smad7 in Surgically Resected Samples of Pancreatic Ductal Adenocarcinoma and Their Correlation with Clinicopathological Parameters and Patient SurvivalKaplan-Meier plot for disease specific survival: according to Smad4 protein expression (a.) and according to Stage of pancreatic ductal adenocarcinoma (early: I + II; advanced: III + IV) (b.).Back to article page