The study was approved by the Institutional Review Board of Baylor College of Medicine, Houston, Texas. This study included all patients who underwent colon ESD at Baylor St Luke’s Medical Center, Houston, Texas, United States between September 2016 and October 2019. Patients were referred to our center for management of colonic polyps that were found to be: 1) impossible to resect using the en bloc method; 2) located in an anatomically challenging position; 3) fibrotic or to have a central depression; or 4) to be residual after prior EMR.
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