Stricture of oesophagus associated with ankylosing spondylitis.
D004106:Dilatation; D004940:Esophageal Stenosis / Q000209:etiology* / Q000601:surgery; D005260:Female; D006801:Humans; D008875:Middle Aged; D013167:Spondylitis, Ankylosing / Q000150:complications*