Which of the following structures is NOT found within the carotid sheath?
Explanation
The carotid sheath encloses the common carotid artery, internal jugular vein, and the vagus nerve. The phrenic nerve lies outside this sheath.
The carotid sheath encloses the common carotid artery, internal jugular vein, and the vagus nerve. The phrenic nerve lies outside this sheath.