Research Article

Resectability of Rectal Neuroendocrine Tumors Using Endoscopic Mucosal Resection with a Ligation Band Device and Endoscopic Submucosal Dissection

Table 1

Clinicopathologic characteristics of the EMR-L and ESD groups.

EMR-L group ()ESD group () value

Age (years)0.694
Sex
 Men/women37/298/80.781
Tumor size (mm)0.002
 Range1–9.13.3–10
Distance from the AV (cm)0.124
 Upper rectum, (%)3 (4.6)0
 Middle rectum, (%)34 (51.5)5 (31.3)
 Lower rectum, (%)29 (43.9)11 (68.7)
Previous endoscopic biopsy, (%)49 (74.2)12 (75)1.000
WHO grade 16616NA
Ki-67 6616NA
HPF6616NA
Lymphovascular invasion, (%)0 (0.0)0 (0.0)NA

All data are presented as or as numbers (%). EMR-L: endoscopic mucosal resection with a ligation band device; ESD: endoscopic submucosal dissection; SD: standard deviation; AV: anal verge; NA: not applicable.