Lower oesophageal web.
D000328:Adult; D003080:Cold Temperature; D003680:Deglutition Disorders / Q000209:etiology*; D004935:Esophageal Diseases / Q000473:pathology*; D004943:Esophagogastric Junction / Q000002:abnormalities*; D004947:Esophagus / Q000000981:diagnostic imaging; D006801:Humans; D007642:Keratosis; D008297:Male; D011859:Radiography