Clinical feature Statistical test Significant genes Associated with                 Associated with Time to Death Cox regression test N=2 shorter survival N=2 longer survival N=0 AGE Spearman correlation test N=393 older N=129 younger N=264 GENDER t test N=5 male N=1 female N=4 HISTOLOGICAL TYPE ANOVA test N=184 RADIATIONS RADIATION REGIMENINDICATION t test N=1 yes N=1 no N=0 DISTANT METASTASIS ANOVA test N=1 LYMPH NODE METASTASIS ANOVA test N=10 NUMBER OF LYMPH NODES Spearman correlation test N=1 higher number.of.lymph.nodes N=0 lower number.of.lymph.nodes N=1 NEOPLASM DISEASESTAGE ANOVA test N=24