VTCN1 and gastric cancer: Interestingly, intratumoral neutrophils from GC patients expressed a significantly higher level of immunosuppressive molecule B7-H4 than those expressed on peritumoral and nontumor tissue neutrophils (Figures 2(a)–2(c)); however, peripheral neutrophils expressed little B7-H4 (Figures 2(a)–2(c)).