Massive hemorrhage from the upper gastrointestinal tract surgical management.
D006471:Gastrointestinal Hemorrhage; D041981:Gastrointestinal Tract; D006470:Hemorrhage; D010437:Peptic Ulcer; D010438:Peptic Ulcer Hemorrhage; D041742:Upper Gastrointestinal Tract
GASTROINTESTINAL SYSTEM/hemorrhage; PEPTIC ULCER/hemorrhage