text: <unk><unk><unk>  can be classified into three main groups according to the different underlying causes: occlusive arterial, occlusive venous and non occlusive<unk><unk><unk> . Each of these types has a characteristic clinical presentation and a different management plan.
option_0: Acute mesenteric ischemia classification
option_1: Mesenteric ischemia classification
option_2: Bowel obstruction classification
option_3: Acute pancreatitis classification
option_4: Mesenteric ischemia guidelines for diagnosis
option_5: Gastrointestinal perforation classification
option_6: Chronic cholecystitis classification
option_7: Choledocholithiasis classification