Nesa, since and AI is effective only for ER/PR-receptive breast cancer, unfortunately it wouldn't help you. There's no hormone therapy of drug that I know of that would work for you, unless you're HER2-neu receptive, in which case you could take Herceptin. You didn't say if your cancer is invasive, or if lymph nodes are involved, but I'm thinking probably the doctor has recommended just the right treatment for you, post-mastectomy - best of luck. PJH