Trophoblastic Neoplasms [Disease/Finding] Gestational Trophoblastic Neoplasms [Disease/Finding] D031901 Gestational Trophoblastic Neoplasms C1135868 417475006 M0398989 A group of interrelated trophoblastic diseases arising from pregnancy. They are commonly associated with hyperplasia of trophoblasts (TROPHOBLAST) and markedly elevated human CHORIONIC GONADOTROPIN. They include HYDATIDIFORM MOLE, invasive mole (HYDATIDIFORM MOLE, INVASIVE), placental-site trophoblastic tumor (TROPHOBLASTIC TUMOR, PLACENTAL SITE), and CHORIOCARCINOMA. These neoplasms have varying propensities for invasion and spread. N0000011045 416402001 Gestational Trophoblastic Neoplasms Trophoblastic Neoplasms, Gestational 1023593 C291398