“…Our results provide evidence that HPV positive OSCC is a distinct entity and tumor HPV status is an independent prognostic factor for patients with OSCC, which is consistent with the hypothesis that has been reported in several other studies (Gillison et al, 2000;Klussmann et al, 2001;Weinberger et al, 2006;Hafkamp et al, 2008;Worden et al, 2008;Andrews et al, 2009;Dayyani et al, 2010). On the basis of our results, we believe that future clinical trials should be designed for patients nationwide with OSCC and further information could be obtained to determine whether treatment affects the survival outcomes stratified by tumor HPV status.…”