ERBB2 and neoplasm: Patients in deciles 1–9, but not decile 10, were significantly more likely to have a relapse and die if they had a grade 3 tumour, large cancer, ER-negative, HER2-positive or triple-negative cancer (KM: logrank χ2⩾5.650, P⩽0.017 in each case, Table 2).