My mother has a breast cancer [ ductal carcinoma grade 2, stage 2]since 1999Jan. .Treated by surgery,FAC chemotherapy, and times radiotherapy to the site. NOW she is taking [TAMOXIFEN] 1omg towice a day. BUT some doctors say that she must stope it and take [EVISTA] although she has no osteoporocess nor endometrial changes.. what is the correct answer.????????