Endoscopic Submucosal Dissection of Deeply Invasive Colorectal Cancers Using the Pocket-Creation Method: Analysis of Vertical Margins
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Background and aims: The standard treatment for stage T1b colorectal cancers with 1,000µm or greater submucosal invasion is surgical resection. However, the risk of lymph node metastases is only 1-2% when excluding risk factors ... ...
