thyroid swollen neck lymph nodes
1 Swollen Lymph Node: Swollen lymph nodes in the neck are another symptom of thyroid cancer (a symptom not related to thyroid nodules).2  Thyroid cancer can spread to the lymph nodes, which are scattered throughout your body to help you fight infection. Swollen Lymph Node: Swollen lymph nodes in the neck are another symptom of thyroid cancer (a symptom not related to thyroid nodules).