A coin is struck at 25 cm from incisor in the esophagus, this place coincides with –
Correct Answer: Aortic arch
Description: Ans-C Barium swallow may show a constriction at three site : QCricopharyngeal junction - Narrowest point (15 cm from incisor) QMiddle narrowing - crossing of the left main stem bronchus and aortic arch (25 cm from incisor). QLower most narrowing - At the hiatus of the diaphragm (40 cm from incisor)
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