title: A puzzling cause of melaena.
authors.affiliation: Division of Gastroenterology, Department of Internal Medicine, Toho University Ohashi Medical Center, 2-17-6 Ohashi, Meguro-ku, Tokyo 153-8515, Japan. ktominaga@oha.toho-u.ac.jp
authors.forename: K
authors.initials: K
authors.lastname: Tominaga
authors.forename: K
authors.initials: K
authors.lastname: Hirahata
authors.forename: I
authors.initials: I
authors.lastname: Maetani
authors.forename: H
authors.initials: H
authors.lastname: Kowazaki
authors.forename: K
authors.initials: K
authors.lastname: Tamura
authors.forename: J
authors.initials: J
authors.lastname: Matsubayashi
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000150:complications* / Q000175:diagnosis / Q000556:secondary; D004938:Esophageal Neoplasms / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D008297:Male; D008551:Melena / Q000209:etiology*; D008875:Middle Aged; D013274:Stomach Neoplasms / Q000175:diagnosis / Q000473:pathology / Q000556:secondary