ESR1 and breast cancer: Ever AD use: OR = 1.2 (0.9–1.6); TCA: OR = 1.2 (0.8–1.8); SSRI: OR = 1.2 (0.8–1.8); ever SSRI use and PR− BC: OR = 1.8 (1.1–3.6); ER+/PR− BC: OR = 2.0 (1.1–3.8)