Cricopharyngeal achalasia.
D000328:Adult; D003680:Deglutition Disorders / Q000209:etiology; D004936:Diverticulum, Esophageal / Q000209:etiology; D004931:Esophageal Achalasia / Q000209:etiology; D004940:Esophageal Stenosis / Q000209:etiology; D005260:Female; D006801:Humans; D006984:Hypertrophy; D007817:Laryngeal Cartilages; D008297:Male; D008875:Middle Aged; D009132:Muscles / Q000503:physiopathology / Q000601:surgery; D010608:Pharyngeal Diseases / Q000150:complications / Q000000981:diagnostic imaging / Q000503:physiopathology / Q000601:surgery; D010614:Pharynx / Q000503:physiopathology / Q000601:surgery; D011859:Radiography