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
A person who had undergone gastrojejunostomy suddenly develops severe diarrhoea. Which should be suspected - 
Select and explain. 
A. Gastric carcinoma, B. Tb abdomen, C. Gastrojejunocolic fistula, D. Gastric amoebiasis
C: Gastrojejunocolic fistula
Answer: C: Gastrojejunocolic fistula 
Explanation: None