1·Half of choriocarcinomas arise in preceding hydatidiform moles.
一半的绒毛膜癌发生于葡萄胎后。
2·There were 35 embryonal carcinomas, 11 teratomas, 3 yolk sac tumors, 6 choriocarcinomas and 13 mixed germ cell tumors.
胚胎癌35例,畸胎瘤11例,卵黄囊瘤3例,绒毛膜上皮癌6例,混合性生殖细胞瘤13例。