A neck mass refers to an abnormal growth or swelling in the neck area. It can be caused by various factors, including infections, cysts, tumors, or enlarged lymph nodes. Neck masses can vary in size and may be painful or painless, depending on their underlying cause. Diagnosis typically involves a physical examination and imaging tests, such as ultrasound or CT scans. Treatment options depend on the cause of the mass and may include medication, drainage, or surgery. It's important to consult a healthcare professional for proper evaluation and management of any neck mass.