_:vb633187 _:vb731077 . "Any of a group of tumors that develops from trophoblastic cells (cells that help an embryo attach to the uterus and help form the placenta) after fertilization of an egg by a sperm. The two main types of gestational trophoblastic tumors are hydatidiform mole and choriocarcinoma.NCI-GLOSS" . _:vb676837 . "Undetermined"^^ . _:vb763665 _:vb676837 . _:vb633187 . "Neoplastic Process"^^ . "Gestational Trophoblastic NeoplasmSYNCI" . "GTTABNCI" . "Gestational Trophoblastic Tumor"^^ . _:vb737764 . _:vb633187 . "Gestational Trophoblastic Tumor"^^ . . _:vb731077 _:vb737764 . _:vb676837 . _:vb740329 . _:vb763665 . _:vb731077 . "C1135868"^^ . "gestational trophoblastic diseasePTNCI-GLOSSCDR0000046199" . . _:vb676837 . "gestational trophoblastic tumorPTNCI-GLOSSCDR0000045115" . "Gestational Trophoblastic TumorPTNCI" . "Gestational trophoblastic diseasePTCTEP10018212" . "Gestational_Trophoblastic_Tumor"^^ . "CTEP"^^ . "gestational trophoblastic neoplasiaPTNCI-GLOSSCDR0000046750" . _:vb737764 _:vb740329 . "C4699"^^ . . . "A diverse group of pregnancy-related tumors characterized by excessive proliferation of trophoblasts. Representative examples include hydatidiform mole, gestational choriocarcinoma, and placental site trophoblastic tumor.NCI" . "Gestational Trophoblastic DiseaseSYNCI" . _:vb740329 _:vb763665 .