title: Discussion.
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology*; D000818:Animals; D004847:Epithelial Cells / Q000473:pathology*; D004938:Esophageal Neoplasms / Q000473:pathology*; D006801:Humans; D014411:Neoplastic Stem Cells / Q000473:pathology*