Pediatrics Rib Notching of 4–9th ribs with double bulging is seen in – A Aortic aneurysm B Aortic dessection C Coarctation of aorta D Diaphragmatic hernia 💡 Explanation Rib Notching of 4–9th ribs with double bulging is seen in – ✓ Correct Answer: C. Coarctation of aorta