title: An unusual cause of melena.
authors.forename: Jana G
authors.initials: JG
authors.lastname: Hashash
authors.forename: Fadi F
authors.initials: FF
authors.lastname: Francis
mesh_terms: D000368:Aged; D001706:Biopsy; D001853:Bone Marrow / Q000473:pathology; D017809:Fatal Outcome; D006801:Humans; D015470:Leukemia, Myeloid, Acute / Q000150:complications / Q000175:diagnosis; D008297:Male; D008551:Melena / Q000175:diagnosis / Q000209:etiology*; D023981:Sarcoma, Myeloid / Q000150:complications* / Q000473:pathology; D013274:Stomach Neoplasms / Q000150:complications* / Q000473:pathology