Fig. 2

Prognostic impact of LGR5 in ER⁺ vs. ER⁻ BC. a Kaplan-Meier plots (log-rank test) displaying recurrence-free survival according to LGR5 in ER⁺ BC not-grouped and b LGR5 dichotomized into LGR5^{low (0–1)} and LGR5^{int/high (2–3)} tumor staining intensity. c Kaplan-Meier plots (log-rank test) displaying recurrence-free survival according to LGR5 in high-grade ER⁻ BC not-grouped and d LGR5 dichotomized into LGR5^{low (0–1)} and LGR5^{int/high (2–3)} tumor staining intensity. e Kaplan-Meier plots (log-rank test) displaying BC-specific survival according to LGR5 in high-grade ER⁻ BC not-grouped or f Dichotomized into LGR5^{low (0–1)} and LGR5^{int/high (2–3)} tumor staining intensity