CCR9 and gastric cancer: The high expression levels of CCR8 (p = 0.00012), CCR9 (p = 0.0014), and CCR10 (p = 0.023) indicate shorter FPS, while high expression levels of CCR3 (p = 0.0012) and CCR6 (p = 0.0051) indicate longer FPS in GC cases.