Breast cancer metastasis increases after estrogen and progestin hormone therapies, study finds
Thursday, May 6, 2010 - 12:52
in Health & Medicine
New evidence has been found that estrogen and progestin in hormone therapies increase the risk of breast cancer in post-menopausal women. Now, a new study has found that progestins can also increase the chance of the cancer metastasizing, or spreading to the lymph nodes.