We have recently come to the end of a randomised trial (SCAR) of thermal treatment (snare tip soft coagulation, STSC) of the EMR defect margin (SCAR technique), with the findings to be presented at the Digestive Diseases Week in San Diego. The results of this trial (n=353) are promising with a risk of adenoma recurrence in the treated group of 6.4% vs 20.7% in the non-treated group (relative risk 0.3, p < .001). There have been no adverse events related to this treatment. The investigators plan to perform this intervention on all patients in the proposed study.