The enlargement of lymph nodes around the neck is often a concerning symptom, especially if it persists for an extended period. In adults, persistent swelling that lasts for weeks or even months can often be a sign of head and neck tumors. This phenomenon is particularly important as lymph node enlargement is often the first or even the only symptom that may indicate more serious conditions, such as head and neck squamous cell carcinoma. Many people are unaware of the serious diseases that may be behind lymph node enlargement. There is a widespread belief in the medical community that swelling in the neck area does not always indicate a serious…