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.
Contrast-enhanced ultrasound performed after 1 mo in a 71-year-old man treated with trans-catheter arterial chemo-embolisation: On the left side complete necrosis is depicted as an avascular area; on the right side B-mode imaging of the treated area.
