thoracic constriction of esophagus(redirected from middle esophageal constriction)
thoracic constriction of esophagus[TA]
normal left-sided narrowing of the esophagus, demonstrated radiographically after a barium swallow, at the T4-T5 vertebral level, where the esophagus is impressed by the left main bronchus and the arch of the aorta.
Synonym(s): constrictio partis thoracicae esophagea [TA], broncho-aortic constriction ☆ , constrictio bronchoaortica esophagea ☆ , middle esophageal constriction
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