Fig. 1From: Presacral lymph node recurrence of rectal intramucosal adenocarcinoma after endoscopic mucosal resection: a case reportEndoscopic mucosal resection for a rectal polyp. a A 23-mm sessile polyp was located at the upper rectum. b Clips were placed endoscopically after endoscopic mucosal resection. c A pathological examination revealed moderately differentiated tubular carcinoma in adenoma (hematoxylin and eosin staining). d Both the horizontal and vertical margins were negative for malignancy (hematoxylin and eosin staining)Back to article page