Mucosal exposure devices for colonoscopy: see the forest for the trees

The removal of adenomas at colonoscopy prevents colorectal cancers (CRC) and CRC deaths.1 Suboptimal detection of adenomas is associated with an increased risk of interval CRC and CRC death.2,3 Finally, improved detection of adenomas is associated with a reduced risk of interval CRC and death.4 This robust evidence has initiated efforts to improve endoscopists' skills in detecting adenomas.

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