Hi,

my husband has had Barrett’s for around 12yrs now and after having his latest endoscopy biopsy, the consultant contacted him to say the results were showing up as abnormal and he is being referred as soon as possible to a London hospital to have another biopsy done to look further down? My husband didn’t really listen when the consultant was explaining what that test would be, so was wondering if anyone would have an idea of what this test could be and how it would be done? 

thank you