Long- vs short-segment Barrett's esophagus-derived adenocarcinoma: clinical features and outcomes of endoscopic submucosal dissection.

The clinicopathological features of LSBEA and SSBEA and their treatment outcomes differed in many aspects. As LSBEAs are difficult to diagnose and treat and show a high risk of metachronous cancer development, careful ESD and follow-up or eradication of the remaining BE may be required.