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.
PFS according to the variations in CEA and CA15-3 levels following the second therapeutic cycle in the 60 patients with stable disease. Kaplan-Meier graphs indicating the percentage of patients with PFS based on the changes in (A) CEA and (B) CA15-3 levels following the second cycle of chemotherapy. PFS, progression-free survival; CEA, carcinoembryonic antigen; CA15-3, carbohydrate antigen 15-3.
