This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
True about mesenteric vein thrombosis - 
Select and explain. 
A. Peritoneal signs are always present, B. Invariably involves long length of bowel, C. I.V. Heparin is the treatment of choice, D. Surgery can lead to short-bowel syndrome
D: Surgery can lead to short-bowel syndrome
Answer: D: Surgery can lead to short-bowel syndrome 
Explanation: Peritoneal signs are present in less than half the cases.
Any length of bowel may be involved depending on the level and extent of thrombosis.
Resection of the nonviable bowel along with its, mesentry is the treatment of choice. Heparin is given in all cases and along with bowel rest and fluid resuscitation is sufficient in patients without bowel infarction.
When extensive resection is done, short bowel syndrome can occur.