NFKB1 and gastric cancer: The percentage of positively stained cells for IKBKE, NF-κB p65 and phospho-NF-κB p65 in the diffuse type of gastric cancer were up to 83.5%, 80.8% and 65.0%, respectively, but the positive cell percentages of the latter two in the intestinal type of gastric cancer were reduced to 49.5% and 34.0 %.