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在发达国家和发展中国家,癌症分别是第二、三大死亡原因,因肿瘤而死亡的人数约占总死亡人数的12.5%。颈部淋巴结转移是影响头颈部恶性肿瘤预后的重要因素之一。淋巴结转移的影像表现主
In both developed and developing countries, cancer is the second and third leading cause of death, while cancer deaths account for about 12.5% of all deaths. Cervical lymph node metastasis is an important factor affecting the prognosis of head and neck cancer. Lymphatic metastasis of the performance of the main image