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choriocarcinoma
(kôrˌē-ō-kärˌsə-nōˈmə, kōrˌ-)
noun pl. cho·ri·o·car·ci·no·mas or cho·ri·o·car·ci·no·ma·ta (-mə-tə) A malignant tumor that develops from trophoblast cells and usually occurs in the uterus.
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