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
Widening of C loop of duodenum is a feature of: 
Select and explain. 
A. Pancreatic head growth, B. Carcinoma stomach, C. Splenic involvement, D. Involvement of upper renal pole
A: Pancreatic head growth
Answer: A: Pancreatic head growth 
Explanation: A i.e. Pancreatic Head Growth On barium meal, the loop of duodenum is widenedQ also k/a Pad Sign in cases of carcinoma head of pancreas.