title: Radiology quiz case 2: Achalasia.
authors.affiliation: West Middlesex University Hospital, Isleworth, Middlesex, England.
authors.forename: K C
authors.initials: KC
authors.lastname: Rose
authors.forename: C E B
authors.initials: CE
authors.lastname: Giddings
authors.forename: A C
authors.initials: AC
authors.lastname: Robinson
mesh_terms: D000369:Aged, 80 and over; D004931:Esophageal Achalasia / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D009333:Neck / Q000000981:diagnostic imaging; D011859:Radiography