Clinical feature	Statistical test	Significant genes	Associated with	               	Associated with	
Time to Death	Cox regression test	N=1	shorter survival	N=1	longer survival	N=0
AGE	Spearman correlation test	N=26	older	N=2	younger	N=24
GENDER	t test	N=0	 	 	 	 
HISTOLOGICAL TYPE	ANOVA test	N=301	 	 	 	 
RADIATIONS RADIATION REGIMENINDICATION	t test	N=0	 	 	 	 
DISTANT METASTASIS	ANOVA test	N=3	 	 	 	 
LYMPH NODE METASTASIS	ANOVA test	N=6	 	 	 	 
NUMBER OF LYMPH NODES	Spearman correlation test	N=0	 	 	 	 
NEOPLASM DISEASESTAGE	ANOVA test	N=9