<s>[INST] I have a round small pinkish red flat mark about 1cm in diameter under the inside right breast. There is no lump and it is not sore. I am 52 and have just started taking Evista for osteoporosis about six weeks ago. There is a history of breast cancer in my family, I am 171 cm tall and weigh 69kilos. [/INST] HiI would advise you to do a bilateral mammography test.if any lesion is found then biopsy has to be done.RegardsDr de </s>