Definition of "choriocarcinoma" []

• A malignant tumor that develops from trophoblast cells and usually occurs in the uterus. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "And finally, as Min Chiu Li had seen with choriocarcinoma, perhaps one needed to continue chemotherapy not just for weeks and months as Frei and Freireich had done, but for month after month, stretching into two or even three years."
• "Antifolates had never been tried in this disease, but if the drugs could stop aggressive leukemias from growing—even if temporarily—might they not at least partially relieve the eruptions of choriocarcinoma?"
• "On call late one evening, he tried to medically stabilize a woman with metastatic choriocarcinoma."