title: A sinister cause of hematemesis.
authors: New York-Presbyterian Hospital, Department of Medicine, New York, New York.
authors: Kati
authors: K
authors: Glockenberg
authors: New York-Presbyterian Hospital, Department of Medicine, Division of Gastroenterology and Hepatology, New York, New York.
authors: Ethan M
authors: EM
authors: Weinberg
authors: Weill Cornell Medical College, New York-Presbyterian Hospital, Department of Medicine, Division of Gastroenterology and Hepatology, New York, New York.
authors: David W
authors: DW
authors: Wan
mesh_terms: D004932:Esophageal and Gastric Varices / Q000209:etiology*; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006396:Hematemesis / Q000209:etiology*; D006411:Hematopoiesis, Extramedullary; D006801:Humans; D006975:Hypertension, Portal / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D055728:Primary Myelofibrosis / Q000150:complications*; D013163:Splenomegaly / Q000209:etiology*; D013272:Stomach Diseases / Q000209:etiology*