Menopausal hormone therapy and the risk of breast cancer by histological type and race: a meta-analysis of randomized controlled trials and cohort studies.
Sohyun KimYeonsook KoHwa Jeong LeeJung-Eun LimPublished in: Breast cancer research and treatment (2018)
Asian HRT users had a higher risk of breast cancer than western HRT users. Both ET and EPT were significantly associated with the risk of all breast cancer histological types and ER-positive breast cancer.