What are the symptoms of cervical lymph node metastasis?

Cervical lymph node metastasis early mainly manifested as a single swollen lymph node, painless, because the patient has the performance of primary cancer, when showing cervical lymph node metastasis, may not care. With the progress of the disease, cervical lymph node enlargement gradually increased, increased, and even mutual fusion, resulting in rupture, bleeding, infection, etc., generally to show pain and infection patients only cause attention. To make a definite diagnosis, lymph node biopsy and pathological examination must be performed in order to make a clear diagnosis of cervical lymph node metastasis.