1. Volume 2, Issue 4, Pages 82-84 (April 2017)
Underwater endoscopic submucosal dissection of a nonpolypoid superficial tumor spreading into the appendix 
Federico Iacopini, MD, Takuji Gotoda, PhD, FASGE, Fabrizio Montagnese, MD, Fabio Andrei, MD, Yutaka Saito, MD, PhD 
VideoGIE 
Volume 2, Issue 4, Pages (April 2017)
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2. Figure 1
A, Underwater intubation of the appendix. B, Visualization of the appendiceal tumor margins.
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3. Figure 2
A, Small-volume submucosal injection at the appendiceal tumor edge (red arrow) avoiding lumen occlusion and lifting at the orifice with B, subsequent mucosal incision.
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4. Figure 3
A, Retrograde circumferential mucosal incision (red arrows) and straightforward dissection from the cecal area (CA) to the appendiceal area (AA) (black arrow) into the appendiceal lumen (AL). B, Severe submucosal fibrosis.
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5. Figure 4 Resected specimen.
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6. Figure 5 Scar at the resection site.
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