cineangiographic measurements , in the left anterior oblique view , of the diameter of the ascending aorta , arch , isthmus , postisthmic region , and descending aorta were made in 18 infants and children with no detectable cardiac anomaly and in 47 with congenital heart disease that did not involve the aorta .
C0011666
descending aorta
C0003483
aorta