Figure 2.
Kaplan–Meier analysis based on CD16+CD56+ (A), CD4+/CD8+ ratio (B), prior surgery (C), prior chemotherapy (D), and visceral metastasis (E) in patients with esophageal cancer.
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.