Esophageal Endoscopic Submucosal Dissection Assisted by an Overtube with a Traction Forceps: An Animal Study

Figure 4

Comparison of dissection times between C-ESD and OTF-ESD groups. The dissection time required for OTF-ESD was significantly shorter than that required for C-ESD (). The same tendency was observed not only in the expert group but also in the beginner group ( and , resp.). value with statistical significance.