Prognostic survival value of retropharyngeal lymph node involvement in sinonasal tumors: A retrospective, descriptive, and exploratory study

Sinonasal carcinomas are rare. The purpose of this study was for us to present our assessment of the effects of retropharyngeal lymph node involvement at diagnosis on patient outcomes.Retropharyngeal lymph node involvement in 36 patients with sinonasal carcinoma was determined by radiology at initial presentation. Clinical outcome, in particular, overall survival (OS) and locoregional control, was assessed by Kaplan-Meier analysis and log-rank...