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: Radiology
Investigation of choice for small intestine tumor – 
Select and explain. 
A. Ba follow through, B. Echo, C. X–ray abdomen, D. CT scan with contrast
A: Ba follow through
Answer: A: Ba follow through 
Explanation: The investigation of choice for evaluating the small bowel is a small-bowel enema (Barium follow through).