Massive gastrointestinal hemorrhage in the presence of portacaval anastomosis.
D006471:Gastrointestinal Hemorrhage; D041981:Gastrointestinal Tract; D006470:Hemorrhage; D008103:Liver Cirrhosis / Q000601:surgery*; D011167:Portacaval Shunt, Surgical; D011168:Portal System / Q000601:surgery*; D014684:Venae Cavae / Q000601:surgery*
GASTROINTESTINAL SYSTEM/hemorrhage; HEMORRHAGE; LIVER CIRRHOSIS/surgery; VEINS, PORTAL SYSTEM/surgery; VENAE CAVAE/surgery