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.
Subgroups of the central compartment (Prelaryngeal lymph node demarcated superiorly by the inferior border of the hyoid bone and inferiorly by the inferior border of the cricoid cartilage; Ipsilateral/contralateral paratracheal lymph node demarcated laterally by the carotid artery and medially by the trachea; Pretracheal lymph node demarcated superiorly by the inferior border of the cricoid cartilage and inferiorly by the innominate artery) 210x297mm (300 x 300 DPI).
