Surgery The diagnostic feature of congenital diaphragmatic hernia on prenatal ultrasonography is – A A cyst behind the left atrium B Mediastinal shift with normal hea axis C Peristalsis in the thoracic cavity D Absence of gas bubble under the diaphragm 💡 Explanation The diagnostic feature of congenital diaphragmatic hernia on prenatal ultrasonography is - ✓ Correct Answer: C. Peristalsis in the thoracic cavity