CXCL8 and colorectal cancer: In a separate study of colorectal cancer (CRC), Scheede-Bergdahl et al. compared serum concentrations of four pro-inflammatory factors (IL-6, IL-1, Chemokine (C-X-C Motif) ligand 8(CXCL8)/IL-8, and TNF-α) in advanced-stage cancer patients.