Combining prognostic value of serum carbohydrate antigen 19-9 and tumor size reduction ratio in pancreatic ductal adenocarcinoma

Figure 2 Kaplan-Meier curves for patients according to tumor size. A and B: Kaplan-Meier curves for overall survival (A) and disease-free survival (B) are presented for post-neoadjuvant therapy (NAT) tumor size/pre-NAT tumor size, which was defined as tumor size ratio (TR).