If you tested negative for the gene, the risk is really not much increased over the general population. They will be testing me soon as both of my sisters had breast cancer and one also had ovarian cancer and colon cancer. They know that one of the genetic mutations did not show up in the testing of my one sister's cancer (they did much more extensive genetic testing on her because she had a bone marrow transplant), so that's a good sign, but the other sister's cancer wasn't genetically analyzed at the time so there is still an unknown at play. I don't tend to get too worried about it and unless there is decisive genetic risk shown I wouldn't ever consider having organs removed. A small increase of risk simply due to familial connection would not be enough to put me under the surgical knife for elective surgery; surgery comes with its own risks.