Does doctor's gender sway surgery for breast cancer?

[Star Tribune, October 08, 2009] When Dr. Todd Tuttle asks his female medical students at the University of Minnesota what they would do if they had breast cancer, he is always surprised by the large number who say they would choose to have both breasts removed, even if they didn't have to. Surgeon Margit Bretzke, M.D., of the Piper Breast Center at Allina's Abbott Northwestern Hospital says she believes the decision is driven by two things.