title: An unusual cause of upper gastrointestinal bleeding. Gastric yolk sac tumor with a large retroperitoneal metastasis.
authors.affiliation: Department of Pathology and Department of Gastroenterology, Changhua Christian Hospital, Changhua, Taiwan.
authors.forename: Chih-Jung
authors.initials: CJ
authors.lastname: Chen
authors.forename: Hui-Ting
authors.initials: HT
authors.lastname: Hsu
authors.forename: Hsu-Heng
authors.initials: HH
authors.lastname: Yen
mesh_terms: D000368:Aged; D018240:Endodermal Sinus Tumor / Q000150:complications / Q000473:pathology*; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D012186:Retroperitoneal Neoplasms / Q000556:secondary*; D013274:Stomach Neoplasms / Q000150:complications / Q000473:pathology*