CD80 and neoplasm: We also observed an increased infiltration of other cellular phenotypes such as F4/80+CD80+ M1 macrophages (Fig. 7e), CD11c+ dendritic cells (Fig. 7f), CD14+ monocytes (Fig. 7g) and CD19+ B cells (Fig. 7h) in the tumor of SLV group when compared with other control conditions such as no treatment (B16-OVA) and BLV groups.