title: Appearance of the distal esophagus following pneumatic dilation.
mesh_terms: D000368:Aged; D000388:Air; D004106:Dilatation; D004931:Esophageal Achalasia / Q000628:therapy; D004945:Esophagoscopy; D004947:Esophagus / Q000293:injuries*; D005260:Female; D006801:Humans; D009092:Mucous Membrane / Q000293:injuries