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.
Computed tomography of the abdomen and pelvis: the superior mesenteric vein (SMV) is obliterated, with no visible normal SMV present. Instead, the veins of the small intestine and colon drain into collateral pathways, indicating chronic venous occlusion.
