Chronic benign esophageal obstruction in the elderly patient.
D000368:Aged; D000369:Aged, 80 and over; D003680:Deglutition Disorders; D004194:Disease; D004935:Esophageal Diseases; D004947:Esophagus; D006801:Humans
DEGLUTITION DISORDERS/in old age; ESOPHAGUS/diseases