[Epithelial lesion adjacent to esophageal cancer and its early neoplastic transformation].
D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D004848:Epithelium / Q000473:pathology; D004938:Esophageal Neoplasms / Q000473:pathology*; D006801:Humans; D009361:Neoplasm Invasiveness; D011230:Precancerous Conditions / Q000473:pathology*