CXCL10 and neoplasm: Moreover, CD103+ cDC1s are a major source of CD8+ T cell chemoattractants, including C-X-C motif chemokine ligand 9 (CXCL9) and CXCL10, in the tumor microenvironment (TME); these chemokines drive T cell recruitment and anti-tumor immunity [9,10].