<prompt> Which of the following does not belong to gestational trophoblastic tumourChorioangiomaPlacental site trophoblastic tumourChoriocarcinomaHydatidiform mole  <response>: Gestational trophoblastic diseases include : Hydatiform mole Invasive mole Placental site trophoblastic tumor Choriocarcinoma Ref: Dutta Obs 9e pg 180. 