Intestinal microbes may influence the proportion of CD8+ CTLs that infiltrated cutaneous melanomas, and Lachnoclostridium is positively correlated with the expression of infiltrated CD8+ CTLs and the chemokines CXCL9, CXCL10, and CCL5 in cutaneous melanoma tissues [154]. Here, CXCL10 is linked to cutaneous melanoma.