IL6 and Barrett esophagus: IL6 and CXCL8, which have been shown to be involved in acute inflammation, were 3- to 4-fold higher in expression in 9 of 11 EAC samples compared with BE/LGD (Supplemental Tables 1 and 3; supplemental material available online with this article; https://doi.org/10.1172/jci.insight.143888DS1).