LGR5 and neoplasm: During 18 weeks, LGR5+ SiHa-LGR5 cells also caused a lower tumor-free rate (12.5% for LGR5+ SiHa-LGR5 cells versus 50% for LGR5– SiHa-AcGFP cells) than LGR5– SiHa-AcGFP cells (P<0.01).