Level IV
IV
Definition
The level IV (Lower jugular nodes) extends from the level of the bottom of the cricoid arch to the level of the clavicle.
Nodes lie anterior to a line connecting the back of the sternocleidomastoid muscle and the posterolateral margin of the anterior scalene muscle and are also lateral to the medial margin of carotid arteries.
References
Robbins KT, Shaha AR, Medina JE, et al. Consensus statement on the classification and terminology of neck dissection. Arch Otolaryngol Head Neck Surg. 2008 May. 134(5):536-8.
