Radiology Widening of C-loop of duodenum/broad loop of duodenum on X-ray is diagnostic of: A Chronic pancreatitis B Carcinoma head of pancreas C Periampullary carcinoma D Calculi in ampulla of vater 💡 Explanation Widening of C-loop of duodenum/broad loop of duodenum on X-ray is diagnostic of: ✓ Correct Answer: B. Carcinoma head of pancreas