Impact of Retropharyngeal Lymph Node Metastasis in Head and Neck Squamous Cell Carcinoma

The impact of metastasis to the retropharyngeal lymph node (RPLN) group is poorly understood because of the difficult access of the retropharyngeal space. Previous studies concluding to the negative impact of RPLN metastasis rely heavily on radiographic assessment, which introduces the possibility of diagnostic error.To better define the prognostic significance of metastatic retropharyngeal adenopathy in patients with non-nasopharyngeal squamous...