text: For patients of<unk><unk>  with symptoms, surgery is the main treatment to relieve the symptoms and prevent intestinal infarction. There is no effective medical therapy exists for this disorder.
option_0: Abdominal angina surgery
option_1: Abdominal aortic aneurysm surgery
option_2: Stomach cancer surgery
option_3: Stomatitis surgery
option_4: Lower gastrointestinal bleeding surgery
option_5: Upper gastrointestinal bleeding surgery
option_6: Angiodysplasia surgery
option_7: Constipation surgery