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Figure 1: (a) Abnormal position of a nasogastric tube in Case I. (b) Contrast instilled into nasogastric tube shows a common aerodigestive tube with opacification of the bronchial tree, left main bronchus clearly delineated and part of the proximal right main bronchus is seen. (c) Rigid airway endoscopy in Case 1 showing two bronchi (arrows) coming off a single aerodigestive channel. (d) A single bronchus (arrow) seen on rigid airway endoscopy coming off a single aerodigestive channel in Case II

Figure 1: (a) Abnormal position of a nasogastric tube in Case I. (b) Contrast instilled into nasogastric tube shows a common aerodigestive tube with opacification of the bronchial tree, left main bronchus clearly delineated and part of the proximal right main bronchus is seen. (c) Rigid airway endoscopy in Case 1 showing two bronchi (arrows) coming off a single aerodigestive channel. (d) A single bronchus (arrow) seen on rigid airway endoscopy coming off a single aerodigestive channel in Case II