tamoxifen
Although tamoxifen is approved for the treatment of hormone-dependent breast       cancer as well as for the prevention of breast cancer in high-risk women, several       studies in animal models have shown that tamoxifen is heptocarcinogenic, and in       humans, tamoxifen has been associated with an increased risk of endometrial       cancer.
Although tamoxifen is approved for the treatment of hormone-dependent breast       cancer as well as for the prevention of breast cancer in high-risk women, several       studies in animal models have shown that tamoxifen is heptocarcinogenic, and in       humans,  @SUBJECT$  has been associated with an increased  @PREDICAT$  of  @OBJECT$ .