Endoscopic Submucosal Dissection of T1 Cancer with Colonic Diverticulum by Pocket-Creation Method

Colorectal endoscopic submucosal dissection (ESD) still has technical difficulties and severe fibrosis and poor scope operability are reported risk factors of incomplete resection for ESD.^1-3 Recently, the pocket-creation method (PCM) has been developed for overcoming these difficulties.⁴ In PCM, a tapered hood is used for making a pocket below a tumor and it gives good traction and stable dissection even for cases with severe fibrosis and poor scope operability.

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