title: Tumours of the oesophagus.
mesh_terms: D000818:Animals; D002278:Carcinoma in Situ / Q000473:pathology; D002280:Basal Cell Carcinoma / Q000473:pathology; D002294:Carcinoma, Squamous Cell / Q000473:pathology; D004938:Esophageal Neoplasms / Q000209:etiology / Q000473:pathology*; D006801:Humans; D006965:Hyperplasia; D007971:Leukoplakia / Q000473:pathology; D009374:Neoplasms, Experimental / Q000209:etiology / Q000473:pathology; D009602:Nitrosamines; D010212:Papilloma / Q000473:pathology; D011230:Precancerous Conditions / Q000473:pathology; D051381:Rats
chemical_list: D009602:Nitrosamines