Lymphovascular invasion in more than one-quarter of small rectal neuroendocrine tumors

Table 1 Demographic and clinical features of patient with rectal neuroendocrine tumors

Characteristic	n = 104
Gender
Male	67
Female	37
Age (yr), median	47 (range, 21-80)
< 60	89
≥ 60	15
Distance from anal verge, mean ± SD (cm)	8.09 ± 3.26 (range, 3-20)
Type of endoscopic resection
EMR	6
ESMR_L	57
ESD	41
Tumor size, mean ± SD (mm)	5.4 ± 2.4 (range, 1.2-10)
≤ 5	62
> 5 and ≤ 10	42
Tumor depth
Mucosa	3
Submucosa	101
Resection margin status
R0	88
R1	16
Lateral (+) and deep (-)	1
Lateral (+) and deep (+)	1
Lateral (-) and deep (+)	14
Complications
Yes	1
No	103
Follow-up
Recurrence	0
Died	2