title: A case of endodermal sinus tumor (yolk sac tumor).
mesh_terms: D001932:Brain Neoplasms / Q000473:pathology*; D002648:Child; D005260:Female; D006801:Humans; D009362:Neoplasm Metastasis; D009373:Neoplasms, Germ Cell and Embryonal / Q000473:pathology*; D010051:Ovarian Neoplasms / Q000473:pathology*; D014817:Vitelline Membrane