21. Early findings suggest raloxifene doesn't increase risk of endometrial cancer . 22. But they can come with an increased risk of breast cancer and endometrial cancers . 23. Higher doses or longer periods of estrogen therapy have higher risks of endometrial cancer . 24. But endometrial cancer is usually detected early, and is considered highly curable, VanZee said. 25. Lacking uteruses, they are not at risk for endometrial cancer . 26. But it may increase the risk of breast and endometrial cancer , the researchers said. 27. Progesterone added to estrogen in hormone replacement therapy lessens the risk of endometrial cancer . 28. Undifferentiated endometrial carcinomas make up less than 1 2 % of diagnosed endometrial cancers . 29. The study concluded that raloxifene caused fewer side-effects and less endometrial cancer than tamoxifen. 30. Mutations in the KRAS gene can cause endometrial hyperplasia and therefore Type I endometrial cancer .
