IL24 and neoplasm: Moreover, analysis of the contralateral tumors revealed a similar increase in the tumor immune infiltration, characterized by increased percentages of all the examined immune cells, with the exception of M1 macrophages, total T cells, and plasma cells (Fig. 4R–AA), further indicating that ZD55-IL-24 treatment induced antitumor immunity not only in local tumors but also in distant tumors.