Image IQ: Fetal Thorax

Challenge your anatomy skills: Can you identify the structure of interest in these images of the fetal thorax?

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Name the structure shown by arrows in these images of the fetal thorax.

(Images courtesy of Firoz Bhuvar, MD)

1. Fetal esophagus

2. Fetal thoracic aorta

3. Fetal pulmonary vein

4. Fetal aortic aneurysm

5. Pulmonary artery

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