title: Radiologic seminar 128: achalasia of the esophagus in an infant--a cause of regurgitation, weight loss, and dehydration.
mesh_terms: D001835:Body Weight; D003681:Dehydration / Q000209:etiology*; D004931:Esophageal Achalasia / Q000150:complications / Q000000981:diagnostic imaging*; D005764:Gastroesophageal Reflux / Q000209:etiology*; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D011859:Radiography