Extrahepatic portal obstruction.
D004194:Disease; D006471:Gastrointestinal Hemorrhage; D041981:Gastrointestinal Tract; D006470:Hemorrhage; D006801:Humans; D008099:Liver; D011168:Portal System; D014652:Vascular Diseases
GASTROINTESTINAL SYSTEM/hemorrhage; VEINS, PORTAL SYSTEM/diseases