Pathophysiology of the esophagus.
D004935:Esophageal Diseases / Q000000981:diagnostic imaging* / Q000503:physiopathology; D004943:Esophagogastric Junction / Q000000981:diagnostic imaging / Q000503:physiopathology; D004947:Esophagus / Q000000981:diagnostic imaging / Q000503:physiopathology*; D006801:Humans; D010528:Peristalsis; D011859:Radiography