[Case of early esophageal cancer].
D000328:Adult; D001706:Biopsy; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery; D004938:Esophageal Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery; D004945:Esophagoscopy; D005336:Fiber Optic Technology; D006801:Humans; D008297:Male; D011859:Radiography