label: Uterine Corpus Choriocarcinoma
label_lc: uterine corpus choriocarcinoma
description: An aggressive malignant tumor arising from trophoblastic cells in the uterus during pregnancy.  Approximately half of the cases develop from a complete hydatidiform mole.  There is often marked elevation of human chorionic gonadotropin (hCG) in the blood.  Choriocarcinomas disseminate rapidly through the hematogenous route; the lungs are most frequently affected.