Advantage of endoscopic mucosal resection with a cap for rectal neuroendocrine tumors

Table 2 Clinical outcomes by endoscopic treatment modality n (%)

	EMR-C(n = 65)	ESD(n = 51)	P value
Procedure time (min), mean ± SD,	3.83 ± 1.17	14.43 ± 7.26	< 0.001
Complication	0 (0.0)	4 (7.8)	0.044
Bleeding	0	4 (7.8)
Perforation	0	0
Endoscopic complete resection	65/65 (100)	51/51 (100)
Histologic complete resection	60/65 (92.3)	40/51 (78.4)	0.042
Vertical margin involvement	1 (1.5)	1 (2.0)	0.864
Lateral margin involvement	1 (1.5)	2 (3.9)	0.710
Vertical and Lateral margin involvement	0 (0.0)	2 (3.9)	0.159
Indeterminate margin	3 (4.6)	6 (11.8)	0.178
Vertical:Lateral:Vertical and Lateral, n	2:1:0	1:3:2
Lymphovascular invasion	0	1	0.322

EMR-C: Endoscopic mucosal resection with a cap; ESD: Endoscopic submucosal dissection.