choriocarcinoma

From chorio- +‎ carcinoma.

choriocarcinoma (plural choriocarcinomas or choriocarcinomata)

1. (oncology) A malignant, trophoblastic cancer, usually of the placenta.
   • 2010, Siddhartha Mukherjee, The Emperor of All Maladies, Fourth Estate (2011), page 135:

     When it occurs, choriocarcinoma is thus a double tragedy: an abnormal pregnancy compounded by a lethal malignancy, birth tipped into death.