“…The risk factors we found to be associated with DB have been described in other observational studies, but most of them still are under discussion. Most series have found that lesions located in the right colon 5,8,20,25,26 and a large polyp size 4,8,20,25-28 are related to a greater risk of DB, but other factors such as age, 5,29,30 aspirin or nonsteroidal anti-inflammatory drug use, 4,5,27,[30][31][32] hypertension, 4,28 anticoagulant therapy, 4,30 or bleeding during the EMR, 2,24 remain controversial.…”