Micrograph showing<unk> . H&E stain.<unk>  (FA) of the lung is a rare subtype of pulmonary<unk>  that exhibits tissue architecture and cell characteristics that resemble fetal lung tissue upon microscopic examination. It is currently considered a variant of solid<unk>  with mucin production.
Fetal adenocarcinoma
Placental site trophoblastic tumor
Transgender pregnancy
Fetal rhabdomyoma
Fetus in fetu
Gestational choriocarcinoma
Heterotopic pregnancy
Gestational trophoblastic disease