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USMLE · Question #450
USMLE Question #450: Real Exam Question with Answer & Explanation
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Question
A 61-year-old man presents with a chief complaint of difficulty swallowing. To evaluate his dysphagia, the physician orders a barium swallow with fluoroscopy, as well as an esophagogram. She finds that the anterior wall of the esophagus in the mid-thorax is being compressed. Which of the following structures is most likely responsible for this compression?
Options
- ALeft atrium
- BRight ventricle
- CLeft ventricle
- DPulmonary trunk
- ERight atrium
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