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.
Chronological change of the serum level of CA19-9. Pre-ope: Preoperation; POM: Post operative month; S-1: Tegafur-gimeracil-ditrydropyrimidine dehydrogenase; CDDP: Cisplatin; PET-CT: Positron emission and computed tomography; GEM: Gemcitabine; CVAD: Central venous access device.
