Wiktionary
choriocarcinoma
n. (context pathology English) A malignant, trophoblastic cancer, usually of the placenta.
Wikipedia
Choriocarcinoma
Choriocarcinoma is a malignant, trophoblastic cancer, usually of the placenta. It is characterized by "early hematogenous spread" to the lungs. It belongs to the malignant end of the spectrum in gestational trophoblastic disease (GTD). It is also classified as a germ cell tumor and may arise in the testis or ovary.
Usage examples of "choriocarcinoma".
The tests showed that I was stage three, with three different cancers in my body, the most malignant of which was choriocarcinoma, a very aggressive, blood-borne type that was difficult to arrest.