The average tumor volume in the Control-T group increased to 711.2 mm3, whereas those in the MSLN-CAR, FOLR1-CAR, and Tandem CAR-T groups were 227.1 mm3, 21.7 mm3, and 5.0 mm3, respectively (p <0.0001, Figure 6E). This evidence concerns the gene FOLR1 and neoplasm.