passages.id: split_5_test_1526_passage
passages.type: progene_text
passages.text: Archived paraffin embedded material from eight specimens of normal oesophagus , 18 Barrett ' s oesophagus , eight gastric metaplasia , six high grade dysplasia , and six cases of adenocarcinoma were examined for expression of the mucin genes MUC1 - 6 .