FA is a rare tumor, with a relative incidence estimated to be no more than 0.5% of all lung cancers. FA is exceptionally rare in children, with only a handful of cases reported to date, However, several case reports have involved FA's in pregnant women or the early postnatal period.
Fetal adenocarcinoma
Placental site trophoblastic tumor
Transgender pregnancy
Fetal rhabdomyoma
Fetus in fetu
Gestational choriocarcinoma
Heterotopic pregnancy
Gestational trophoblastic disease