“…This is because the intra-abdominal cavity has a large volume, and it is difficult to stop the hemorrhage. Indeed, in the previous ruptured cases, there had a large amount of bleeding in the abdominal cavity, 11,12,15,16,19,21 however, in our patient, the intra-abdominal hemorrhage volume was small and the gastrointestinal hemorrhage volume was large. Though it is certain that the hemorrhage from the vessel damaged by the rupture was predominantly into the intestinal tract through the ulcer, it is unclear why the gastrointestinal hemorrhage mainly occurred, and why both hemorrhage occurred simultaneously.…”