CXCL8 and neoplasm: Low passage tumor alone secreted high concentrations of CCL2/MCP1, CXCL8/IL-8, CXCL1/GRO, IL-6, CXCL10/IP10, G-CSF, TGFβ1, MMP1, CCL3/MIPα, GM-CSF and EGF.