CCL26 and neoplasm: Chemokines in the omental tumor tissues revealed some changes as follows: 1) the decreased levels in CCL26, CCL28, CXCL1-3, CXCL8 and CXCL16; 2) the increased level in CCL24; and 3) the conserved level in CCL20 compared to the parental cells (Fig 5A).