Cancer incidence and mortality in women receiving estrogen and estrogen-progestin replacement therapy–long-term follow-up of a Swedish cohort
This study on hormone replacement therapy (HRT) in 22,597 Swedish women found that while HRT did not increase overall cancer mortality, it increased risks of breast and endometrial cancers, especially with estrogen-progestin therapy. However, HRT appeared to offer protection against colon and liver cancers. The findings suggest that the type