Clinical feature Statistical test Significant genes Associated with                 Associated with Time to Death Cox regression test N=0 AGE Spearman correlation test N=6 older N=6 younger N=0 GENDER t test N=0 DISTANT METASTASIS ANOVA test N=645 LYMPH NODE METASTASIS ANOVA test N=43 NEOPLASM DISEASESTAGE ANOVA test N=2