Fig. 3

a B-mode ultrasound at 19 weeks of gestation showing transverse section of the chest. It shows straight-line ribs (arrowhead) and lungs (arrow) that are smaller in proportion to the heart (dotted line). b B-mode ultrasound at 19 weeks of gestation showing a sagittal section of the thoracoabdominal region. It shows omphalocele (dotted line) and digestive tract penetrating into the hernia. The chest is smaller than the abdomen, leading to suspicion of thoracic hypoplasia