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.
Axial computed tomography images with contrast enhancement taken three months after the procedure. Neither a procedure related abnormality nor any metastatic lesion that may cause Horner syndrome is observed around the internal jugular vein (black arrowhead) and the catheter. The black arrow indicates the longus colli muscle, and the white arrow indicates the anterior scalene muscle.
