Before doing anything like radiation or mastectomy, look into Miracle-Mineral-Supplement and mebendazole. It is a very safe drug, known to reduce tumors. That's why it's not sold in the US as of the study making headlines in Oct 2011. Google it.
There are many legitimate video's on youtube regarding cancer, nutrition is first and foremost, along with zero sugar.
I remeoved all sugar, even hidden sugar, from my Mother's diet. She is the only person I know of who survived metastasized lung cancer.