This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdominal Radiography, Subject name: Radiology
Barium meal follow through is suggestive of: 
Select and explain. 
A. Tuberculosis, B. Crohn's disease, C. Ulcerative colitis, D. Apple core appearance
D: Apple core appearance
Answer: D: Apple core appearance 
Explanation: Ans. (d) Apple core appearance.