<prompt> Which is not a germ cell tumourDysgerminomaTeratomaGranulosa theca cell tumourEmbryonal cell carcinoma  <response>: Epithelial Ovarian Tumour Histologic typeSerousMucinousEndometroidClear cell mesonephroid BrennerMixed epithelial Undifferentiated UnclassifiedCellular type Endosal pineal Endocervical Endometrial Mullerian TransitionalMixedAnaplastic Mesothelioma etc. 