Feasibility of Endoscopic Submucosal Dissection: A New Technique for En Bloc Resection of a Large Superficial Tumor in the Colon and Rectum

<table>(a) Conventional endoscopic view with indigo carmine dye spray revealed laterally spreading tumor (LST), 40 mm in diameter, located in the rectum. The border was well demarcated. (b) After injection of sodium hyaluronate. (c) Mucosal incision and dissection. (d) Rectal ulcer after ESD. (e) Resected specimen was 45 mm × 40 mm.</table>

International Journal of Surgical Oncology

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Figure 1

Figure 1: Feasibility of Endoscopic Submucosal Dissection: A New Technique for En Bloc Resection of a Large Superficial Tumor in the Colon and Rectum 

Figure 1 | Feasibility of Endoscopic Submucosal Dissection: A New Technique for En Bloc Resection of a Large Superficial Tumor in the Colon and Rectum 