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Radiology General 3051a4fd

Lt border of the heart in CXR is formed by – a) Pulmonary arteryb) Pulmonary veinc) Abdominal aortad) Arch of aortae) Rt ventricles

A
b
B
c
C
ad
D
ab
High-Yield Explanation
The left margin of heart is formed by aortic knuckle (prominence due to aortic arch), pulmonary trunk, left auricle, and left ventricle.

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