title: Studies on relationship between epithelial dysplasia and carcinoma of the esophagus.
mesh_terms: D000328:Adult; D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis / Q000473:pathology; D004848:Epithelium / Q000473:pathology*; D004938:Esophageal Neoplasms / Q000175:diagnosis / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged