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349 Anatomy

A 68-year-old male patient in the cardiology ward complains at each mealtime of difficulty in swallowing (dysphagia). Radiographic studies reveal significant cardiac hypertrophy. A barium swallow, followed by radiographic examination of the thorax, reveals esophageal constriction directly posterior to the heart. Which of the following is the most likely cause of the patient’s dysphagia?

AMitral valve stenosis
BPulmonary valve stenosis
CRegurgitation of the aorta
DOcclusion of the anterior interventricular artery
Anatomy
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