PGR and neoplasm: The RRs for an increase of 10 g/day of alcohol were 1.11 (95% CI 1.03–1.20) for ER + /PR + tumours (804 cases), 1.00 (95% CI 0.81–1.24) for ER + /PR − tumours (125 cases), and 0.99 (95% CI 0.82–1.20) for ER − /PR −  tumours (167 cases) [8].