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.
(a,b): MRI T2 axial (a) and coronal (b) images showing a large cystic mass involving the IV hepatic segment. An irregular-shaped mass is present on the posterior boundary of the cyst (arrows). The portal vein appears dislocated downward by the cyst.
