Table 1.

Characteristics of the selected studies.

First author [ref]	Study design	No. of patients	ERa technique	Diameter of lesion	Complete resection	Complications	Recurrence
Kim [15]	Multi-center retrospective cohort study	62	EMRb or ESDc	Mean: 7.6 mm	EMRb: 83.3% ESDc: 94.9%	EMRb: 10.4% ESDc: 23.1%	NR
Uygun [16]	Single-center prospective cohort study	22	EMRb	5-20 mm	100%	4.4%	18.2%
Li [17]	Single-center retrospective cohort study	11	ESDc	5-8 mm	100%	0%	0%
Chen [18]	Single-center retrospective cohort study	15	ESDc	2-30 mm	100%	0%	13.3%
Merola [19]	Single-center prospective cohort study	33	Forceps or snare	2-20 mm	100%	0%	63.6%
Hopper [20]	Multicenter prospective cohort study	8	EMRb	0,6-10 mm	100%	0%	NR