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.
Chaoyang classification and management of venous invasion of borderline resectable pancreatic cancer. (A, E) Tumor invades superior mesenteric vein with wedge anastomosis; (B, F) Tumor invades superior mesenteric vein with end-to-end anastomosis; (C, G) Tumor invades portal vein with segmental vascular replacement; (D, H) Tumor invades the confluence of portal vein with branch vascular replacement.
