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
About ZES true is ?a) MC site is duodenal loopb) It is an exocrine diseasec) It is an endocrine diseased) 50% are malignante) Surgical excision is done 
Select and explain. 
A. acde, B. bde, C. abcd, D. abde
A: acde
Answer: A: acde 
Explanation: None