As shown in Figure 2D, all mice transplanted with month 6 or 7‐related GFP+ hepatocytes developed xenografts (n = 6 per group), and the tumor size of month 7‐related xenografts was larger than that of month 6‐related xenografts, demonstrating that POU2F2+ hepatocytes have stronger tumorigenic potential at month 7 than 6. Here, POU2F2 is linked to neoplasm.