Clinical feature	Statistical test	Significant genes	Associated with	               	Associated with	
Time to Death	Cox regression test	N=0	 	 	 	 
AGE	Spearman correlation test	N=9	older	N=3	younger	N=6
GENDER	t test	N=0	 	 	 	 
HISTOLOGICAL TYPE	ANOVA test	N=15	 	 	 	 
RADIATIONS RADIATION REGIMENINDICATION	t test	N=4	yes	N=1	no	N=3
DISTANT METASTASIS	ANOVA test	N=0	 	 	 	 
LYMPH NODE METASTASIS	ANOVA test	N=3	 	 	 	 
COMPLETENESS OF RESECTION	ANOVA test	N=13	 	 	 	 
NUMBER OF LYMPH NODES	Spearman correlation test	N=0	 	 	 	 
NEOPLASM DISEASESTAGE	ANOVA test	N=5