choriocarcinoma
noun
cho·rio·car·ci·no·ma ˌkȯr-ē-(ˌ)ō-ˌkär-sə-ˈnō-mə 
: a malignant tumor typically developing in the uterus from the trophoblast
Example Sentences
Recent Examples on the Web But just 18 months after getting sober — and regaining custody of her daughters — she was hit with a devastating setback: choriocarcinoma, a fast-growing cancer that occurs in the uterus and followed a tubular pregnancy. 
Michelle Tauber, PEOPLE.com, 6 June 2019 Around half of women who have a molar-type pregnancy go on to develop a very rare womb cancer called choriocarcinoma, due to the growth of the abnormal cells. Fox News, 26 Apr. 2018 She was diagnosed with stage IV choriocarcinoma, a rare form of uterine cancer that can form during pregnancy. Jane Bianchi, Woman's Day, 7 Aug. 2017
Michelle Tauber, PEOPLE.com, 6 June 2019 Around half of women who have a molar-type pregnancy go on to develop a very rare womb cancer called choriocarcinoma, due to the growth of the abnormal cells. Fox News, 26 Apr. 2018 She was diagnosed with stage IV choriocarcinoma, a rare form of uterine cancer that can form during pregnancy. Jane Bianchi, Woman's Day, 7 Aug. 2017 Word History
Etymology
New Latin, from chorion + carcinoma
First Known Use
1901, in the meaning defined above
Medical Definition
choriocarcinoma
noun
cho·rio·car·ci·no·ma -ˌkärs-ᵊn-ˈō-mə
plural choriocarcinomas also choriocarcinomata -mət-ə
: a malignant tumor derived from trophoblastic tissue consisting of syncytiotrophoblasts and cytotrophoblasts that develops typically in the uterus following pregnancy, miscarriage, or abortion especially when associated with a hydatidiform mole or rarely in the testes or ovaries chiefly as a component of a mixed germ-cell tumor