Equipping the American Joint Committee on Cancer Staging for Resectable Pancreatic Ductal Adenocarcinoma with Tumor Grade: A Novel Staging System

Figure 3

Kaplan-Meier survival curves for the internal validation set using the 8th AJCC staging system (a) or novel staging system (b). Kaplan-Meier survival curves for the external validation set using the 8th AJCC staging system (c) or novel staging system (d).

(a)

(b)

(c)

(d)