Fig. 5

a–c Cumulative incidence of breast cancer (BC)-related events (BCFi) stratified by treatment allocation (control vs. TAM) for patients whose tumours were ER-positive and had a low TILs (< 10%); b intermediate TILs (10–49%) and c high TILs (≥ 50%). Abbreviations: BCFi breast cancer-free interval, ER oestrogen receptor, TAM tamoxifen, TILs tumour-infiltrating lymphocytes