Moreover, CBX3 was overexpressed in gastric intestinal-type adenocarcinoma (fold − change = 3.014 and P = 6.64E − 14) in D'Errico's gastric dataset [30] and GC (fold − change = 1.736 and P = 6.79E − 04) of Wang's gastric dataset [31]. Here, CBX3 is linked to gastric intestinal type adenocarcinoma.