Fig. 1

Representative picture of immunohistochemical staining of CD66b + neutrophils at the nontumoral, invasive margin and tumor center tissues of GC sampers. a High CD66b + neutrophils density at the nontumoral gastric tissues. b Low CD66b + neutrophils density at the nontumoral gastric tissues. c High CD66b + neutrophils density at the invasive margin of GC tissues. d Low CD66b + neutrophils density at the invasive margin of GC tissues. e High CD66b + neutrophils density at the tumor center of GC tissues. f Low CD66b + neutrophils density at the tumor center of GC tissues. Magnifications: × 200