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Continue to ChatN.o.t.e.s. Sentinel Node Biopsy Combined with Endoscopic Submucosal Dissection of the Sigmoid Colon https://www.sages.org/meetings/annual-meeting/abstracts-archive/n-o-t-e-s-sentinel-node-biopsy-combined-with-endoscopic-submucosal-dissection-of-the-sigmoid-colon/