Fig. 1From: Congenital esophageal stenosis diagnosed in an infant at 9 month of ageFluoroscopy with barium: Image of esophageal suggestive of achalasia in an infant at 9 months of age. Fluoroscopic images from a barium esophagogram reveal a persistently dilated esophagus with an air-fluid level at the lower esophagus and classic "bird-beaking" at the gastroesophageal junction, and normal primary peristaltic wavesBack to article page