-I was diagnosed with choriocarcinoma on February 7, 2002, when my daughter was almost nine months old. I was devastated to hear the words you have cancer of the placenta. I sat there with this stupid grin on my face, holding back the tears.- And so began Tara Johnson's frightening journey into the world of a rare gynecological cancer. Choriocarcinoma is so rare-some 1 in 40,000 pregnancies-many oncologists have never treated it, much less come across information about it that's suitable for patients. After being dismissed for nearly four months with postpartum bleeding, Tara was finally...