%0 Journal Article %T Prevalence and prognostic impact of synchronous distant metastases in patients with hypopharynx squamous cell carcinomas: a SEER-based study %A Chaosu Hu %A Xiaomin Ou %A Yujiao Li %J Journal of Cancer %D 2019 %I Ivyspring International Publisher %R 10.7150/jca.28554 %X Background: The prognosis of hypopharynx squamous cell carcinoma (SCC) patients with distant metastasis is poor. We sought to explore prevalence and prognostic impact of synchronous distant metastases among patients with hypopharynx SCC in this study. %K synchronous distant metastases %K hypopharynx squamous cell carcinomas %K metastatic pattern %K seer database %K prognostic value %U http://www.jcancer.org/v10p0620.htm