new and in need of advice...please x

[heidi]

HI all...I am new to this site. i am 24 and have multiple her2+ breast cancer, in left breast. Im due my 3rd fec on 6th april and then due heceptin then mastectomy, more herceptin and radiotherapy.. I am considering a double mastectomy, as a preventative?? is this a good idea? does anyone have experience of this? I havnt talked to anyone about any of this really and could do with some advice please....xx