The chemokines CXCL1 (chemokine (C-X-C) ligand 1 or keratinocyte chemoattractant, KC) and CXCL2 (macrophage inflammatory protein-2, MIP-2) were also shown to be increased after PDT treatment in a murine model of EMT6 carcinoma. Here, CXCL2 is linked to carcinoma.