Figure 1From: Rectal laterally spreading tumors successfully treated in two steps by endoscopic submucosal dissection and endoscopic mucosal resection Patient 1 ESD/EMR combined procedure. a Detection of lesion. b Spraying with 1% indigo carmine. c Submucosal infiltration and lesion marking with Flex-Knife. d-e Removal of the lesion. f Endoscopic control at 3 months.Back to article page