Q. I have "triple negative" breast cancer - it's not estrogen-, progesterone-, or HER2-positive, so my treatment has so far been limited to surgery, chemo, and "hope for the best," since hormone therapy drugs, or Herceptin or Tykerb, won't work for me. My oncologist would like me to try a "targeted therapy," Avastin, which he says isn't yet FDA-approved for breast cancer treatment, but that some doctors have been using as an "off-label" drug. What does all of that mean?
Editor's Note: The...

