What is the main abnormality?
The left cardiomediastinal border is abnormal with a prominence pulmonary trunk.
The pulmonary trunk forms the middle of the "3 moguls" along the left cardiomediastinal border. What form the other two?
Above is the aortic arch, and below is the left atrial appendage, which in most instances should be flat.
The left cardiomediastinal border is abnormal with a prominence pulmonary trunk.