Fig. 6

a–c Cumulative mortality (OS) 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: ER oestrogen receptor, OS overall survival, TAM tamoxifen, TILs tumour-infiltrating lymphocytes