This document provides guidance on examining a patient's neck. It describes introducing yourself, cleaning hands, inspecting the neck from all sides, and palpating different lymph node levels. Specific instructions are given to examine the thyroid by having the patient swallow and assess voice. Red flags mentioned include a hard fixed mass, patient over 35, head/neck mucosal lesions, persistent hoarseness/dysphagia, trismus, or unilateral ear pain. Further assessments like blood tests, imaging, and biopsy are recommended depending on findings.