CCL22 and ovarian cancer: A large number of cytokines have been reported as elevated in ovarian cancer ascites samples including IL-6, IL-8, IL-10, IL-15, IP-10/CXCL10, MCP-1/CCL2, Mip1α/CCL3, Mip1β/CCL4, MDC, and VEGF (29, 30, 37).