Fig. 2.
Kaplan-Meier curves for preoperative assessment combining preoperative tumor size, corrected carbohydrate antigen 19-9 (cCA 19-9), and preoperative lymph nodes: (A) disease-free survival and (B) overall survival.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.