renal arterial embolization caused a slight decrease ( p less than 0.05 ) in cu-zn-sod activity in tumor tissues , but none in other enzymes in the same tissues , while renal arterial embolization reduced each sod activity in tumor-uninvolved renal tissues ( p less than 0.01 - p less than 0.001 ) .
C0022646
renal
C0022665
tumor