[Physical diagnosis of esophageal cancer--as a clue in early diagnosis of esophageal cancer].
D003679:Deglutition; D004936:Diverticulum, Esophageal / Q000175:diagnosis; D004931:Esophageal Achalasia / Q000175:diagnosis; D004935:Esophageal Diseases / Q000175:diagnosis; D004938:Esophageal Neoplasms / Q000175:diagnosis* / Q000503:physiopathology; D004932:Esophageal and Gastric Varices / Q000175:diagnosis; D006801:Humans; D013274:Stomach Neoplasms / Q000175:diagnosis