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Case 9 

Case 9
Case 9

Ellen Chung

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date: 24 October 2020

3-month-old boy with biphasic stridor.

Lateral image from an esophagram (left) shows an anterior impression on the mid-esophagus (arrowhead).

Axial black-blood T1-weighted image shows the main pulmonary artery (M) with only a right branch (R). The left pulmonary artery originates from the right and crosses behind the trachea (arrow) to get to the left side (arrowheads). (S = superior vena cava, A = aorta)...

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