To investigate this, we performed CD3 staining on JR-derived tumors collected from CD276.V-CAR T cells-treated mice at the end of the experiment, after 5 weeks from tumor cells implantation, and from Rh4-derived tumors collected from F8-FR4.V-CAR T cells-treated mice at the end of the experiment, after 7 weeks from tumor cells implantation. The gene discussed is CD276; the disease is neoplasm.