title: [Q & A. Case of metastatic cancer discovered at the detection of melena].
authors.forename: Mariko
authors.initials: M
authors.lastname: Hojo
authors.forename: Tomoyoshi
authors.initials: T
authors.lastname: Shibuya
authors.forename: Akihito
authors.initials: A
authors.lastname: Nagahara
authors.forename: Sumio
authors.initials: S
authors.lastname: Watanabe
mesh_terms: D000328:Adult; D031954:Choriocarcinoma, Non-gestational / Q000473:pathology*; D006801:Humans; D008175:Lung Neoplasms / Q000556:secondary*; D008297:Male; D009373:Neoplasms, Germ Cell and Embryonal / Q000175:diagnosis / Q000473:pathology*; D013274:Stomach Neoplasms / Q000556:secondary*