fig3

Figure 3. Images from a CT angiogram of the chest of the sister of the incident patient at 6 years of age. (A) An axial image showing a very small patent ductus arteriosus (arrow) as the vessel joins with the main pulmonary artery, and an enlarged ascending aorta; (B) A coronal image showing a subjectively increased mass of the LV and an enlarged Ao; (C) A sagittal image showing mild flattening of the proximal right bronchus (asterisk); (D)* A sagittal image showing a very small patent ductus arteriosus (arrow), a large MPA, subjectively increased mass of the left ventricle, subjectively normal mass of the RV, and mild flattening of the proximal left bronchus. LV: left ventricle; Ao: ascending aorta; MPA: main pulmonary artery; RV: right ventricle.