Microscopic analysis of B16F10 tumors growing in Cxcl13-Cre/tdTomato EYFP mice revealed that lineage-traced EYFP+ cells localized mainly in the tumor margin co-express PDPN both in PBS- and artLCMV-treated tumors (Fig. 4c, arrowheads). This evidence concerns the gene PDPN and neoplasm.