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=30 older N=11 younger N=19 PATHOLOGIC_STAGE Kruskal-Wallis test N=30 PATHOLOGY_T_STAGE Spearman correlation test N=30 higher stage N=26 lower stage N=4 PATHOLOGY_N_STAGE Spearman correlation test N=3 higher stage N=0 lower stage N=3 PATHOLOGY_M_STAGE Wilcoxon test N=0 GENDER Wilcoxon test N=6 male N=6 female N=0 RADIATION_THERAPY Wilcoxon test N=0 HISTOLOGICAL_TYPE Wilcoxon test N=30 rectal mucinous adenocarcinoma N=30 rectal adenocarcinoma N=0 RESIDUAL_TUMOR Kruskal-Wallis test N=0 NUMBER_OF_LYMPH_NODES Spearman correlation test N=0