Various inflammatory biomarkers have been discussed in cancer studies as they have been linked to advanced cancer stages, resistance to immunotherapy, and poor prognosis [12]: tumor necrosis factorα (TNF-α), interferon-γ (IFN-γ), and interleukin (IL)-1, IL-6, IL-8, IL-10, IL-11, and IL-17 [12,13,14,15,16,17,18,19]. Here, CXCL8 is linked to cancer.