Clinical feature Statistical test Significant genes Associated with                 Associated with DAYS_TO_DEATH_OR_LAST_FUP Cox regression test N=0 YEARS_TO_BIRTH Spearman correlation test N=0 PATHOLOGIC_STAGE Kruskal-Wallis test N=26 PATHOLOGY_T_STAGE Spearman correlation test N=30 higher stage N=17 lower stage N=13 PATHOLOGY_N_STAGE Spearman correlation test N=30 higher stage N=17 lower stage N=13 GENDER Wilcoxon test N=28 male N=28 female N=0 RADIATION_THERAPY Wilcoxon test N=4 yes N=4 no N=0 NUMBER_PACK_YEARS_SMOKED Spearman correlation test N=2 higher number_pack_years_smoked N=2 lower number_pack_years_smoked N=0 YEAR_OF_TOBACCO_SMOKING_ONSET Spearman correlation test N=0 NUMBER_OF_LYMPH_NODES Spearman correlation test N=30 higher number_of_lymph_nodes N=14 lower number_of_lymph_nodes N=16 RACE Kruskal-Wallis test N=0 ETHNICITY Wilcoxon test N=0