Treatment of a sigmoid esophagus in achalasia by pneumatic dilatation.
D000368:Aged; D012809:Colon, Sigmoid / Q000002:abnormalities; D004931:Esophageal Achalasia / Q000628:therapy*; D004945:Esophagoscopy; D004947:Esophagus / Q000002:abnormalities*; D005260:Female; D006801:Humans